RHSA-2026:90329

Vulnerability from csaf_redhat - Published: 2026-10-26 15:01 - Updated: 2026-10-29 15:27
Summary
Red Hat Security Advisory: Red Hat OpenStack Platform 17.1 security advisory
Severity
Important
Notes
Topic: An update for etcd, collectd-sensubility and collectd-libpod-stats is now available for Red Hat OpenStack Platform 17.1 (Wallaby) for Red Hat Enterprise Linux (RHEL) 9.2. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: Red Hat OpenStack Platform provides the facilities for building, deploying and monitoring a private or public infrastructure-as-a-service (IaaS) cloud running on commonly available physical hardware. Security Fix(es): * golang: crypto/x509: Man-in-the-middle attacks via untrusted intermediate certificates (CVE-2026-111943) * net/url: Memory exhaustion in query parameter parsing in net/url (CVE-2025-61726) * Incorrect parsing of IPv6 host literals in net/url (CVE-2026-25679) * golang: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries (CVE-2026-27145) * crypto/tls: golang: Go: Denial of Service vulnerability in certificate chain building (CVE-2026-32280) * golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages (CVE-2026-32283) * golang: Go net package: Denial of Service via long CNAME response in LookupCNAME (CVE-2026-33811) * golang: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal (CVE-2026-33818) * golang: net/http: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing (CVE-2026-39821) * golang: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service (CVE-2026-56853) * golang: Go html/template: Cross-Site Scripting via pathological input (CVE-2026-56858) * golang: golang net/url: Denial of Service from quadratic complexity in path resolution (CVE-2026-56860) * golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages (CVE-2026-56862) * etcd: Denial of Service via unbounded TLS handshake goroutines (CVE-2026-73500) * net/http/internal/http2: golang.org/x/net/http2: net/http: Denial of Service via excessive HTTP/2 SETTINGS frames (CVE-2026-78669) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
CVE-2025-61726

A flaw was found in the net/url package in the Go standard library. The package does not enforce a limit on the number of unique query parameters it parses. A Go application using the net/http.Request.ParseForm method will try to process all parameters provided in the request. A specially crafted HTTP request containing a massive number of query parameters will cause the application to consume an excessive amount of memory, eventually causing the application to crash or become unresponsive, resulting in a denial of service.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-770 - Allocation of Resources Without Limits or Throttling
Affected products
Product Identifier Version Remediation
Unresolved product id: 9Base-RHOS-17.1:collectd-libpod-stats-0:1.0.6-9.el9ost.src —
Vendor Fix fix
Workaround
Unresolved product id: 9Base-RHOS-17.1:collectd-libpod-stats-0:1.0.6-9.el9ost.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: 9Base-RHOS-17.1:collectd-sensubility-0:0.2.1-8.el9ost.src —
Vendor Fix fix
Workaround
Unresolved product id: 9Base-RHOS-17.1:collectd-sensubility-0:0.2.1-8.el9ost.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: 9Base-RHOS-17.1:collectd-sensubility-debuginfo-0:0.2.1-8.el9ost.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: 9Base-RHOS-17.1:etcd-0:3.4.26-9.10.el9ost.src —
Vendor Fix fix
Workaround
Unresolved product id: 9Base-RHOS-17.1:etcd-0:3.4.26-9.10.el9ost.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: 9Base-RHOS-17.1:etcd-debuginfo-0:3.4.26-9.10.el9ost.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: 9Base-RHOS-17.1:etcd-debugsource-0:3.4.26-9.10.el9ost.x86_64 —
Vendor Fix fix
Workaround
Threats
Impact Important
CVE-2026-25679

The Go standard library function net/url.Parse insufficiently validated the host/authority component and accepted some invalid URLs by effectively treating garbage before an IP-literal as ignorable. The function should have rejected this as invalid.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-1286 - Improper Validation of Syntactic Correctness of Input
Affected products
Fixed 9 products, the same list as for CVE-2025-61726
Threats
Impact Important
CVE-2026-27145

A flaw was found in the `crypto/x509` package of `golang`. This vulnerability allows a remote attacker to cause a Denial of Service (DoS) by presenting a specially crafted X.509 certificate with a large number of DNS Subject Alternative Name (SAN) entries. The certificate verification process, specifically the `VerifyHostname` function, incurs excessive computational overhead due to repeated string operations when processing these entries. This can lead to a significant performance degradation or unresponsiveness of systems validating such certificates.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-606 - Unchecked Input for Loop Condition
Affected products
Fixed 9 products, the same list as for CVE-2025-61726
Threats
Impact Important
CVE-2026-32280

A flaw was found in the Go standard library packages `crypto/x509` and `crypto/tls`. During the process of building a certificate chain, an attacker can provide a large number of intermediate certificates. This excessive input is not properly limited, leading to an uncontrolled amount of work being performed. This can result in a denial of service (DoS) condition, making the affected system or application unavailable to legitimate users.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-770 - Allocation of Resources Without Limits or Throttling
Affected products
Fixed 9 products, the same list as for CVE-2025-61726
Threats
Impact Important
CVE-2026-32283

A flaw was found in the `crypto/tls` package within the Go (golang) standard library, specifically affecting TLS 1.3 connections. A remote attacker can exploit this vulnerability by sending multiple key update messages in a single record after the handshake. This can cause the connection to deadlock, leading to uncontrolled consumption of resources and ultimately a denial of service (DoS).

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-764 - Multiple Locks of a Critical Resource
Affected products
Fixed 9 products, the same list as for CVE-2025-61726
Threats
Impact Important
CVE-2026-33811

A flaw was found in the `net` package of Go (golang), specifically when using the `LookupCNAME` function with the `cgo` DNS resolver. A remote attacker could exploit this by providing a very long Canonical Name (CNAME) response. This can trigger a double-free of C memory, leading to a crash and a Denial of Service (DoS) for the affected application.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-1341 - Multiple Releases of Same Resource or Handle
Affected products
Fixed 9 products, the same list as for CVE-2025-61726
Threats
Impact Important
CVE-2026-33818

A flaw was found in the `encoding/asn1` package in Go. An attacker could provide a specially crafted, deeply-nested Abstract Syntax Notation One (ASN.1) structure, leading to excessive recursion during the `Unmarshal` operation. This could result in stack exhaustion and a Denial of Service (DoS) condition.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-776 - Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')
Affected products
Fixed 9 products, the same list as for CVE-2025-61726
Threats
Impact Important
CVE-2026-39821

A flaw was found in golang.org/x/net/idna. ToASCII and ToUnicode incorrectly accept Punycode-encoded labels that decode to an ASCII-only hostname (for example, xn--example-.com returns example.com instead of an error). Applications that validate the ASCII form then convert to Unicode may grant access to a restricted hostname the ASCII check would have rejected.

8.2 (High)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
CWE-1289 - Improper Validation of Unsafe Equivalence in Input
Affected products
Fixed 9 products, the same list as for CVE-2025-61726
Threats
Impact Important
CVE-2026-56853

A flaw was found in the `net/http` component of the Go standard library. When a server is configured to support unencrypted HTTP/2, it reads initial bytes from new connections to detect the HTTP/2 client preface. However, the `ReadHeaderTimeout` is not correctly applied during this process. This oversight could allow a remote attacker to maintain open connections indefinitely, potentially leading to a Denial of Service (DoS) by exhausting server resources.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-770 - Allocation of Resources Without Limits or Throttling
Affected products
Fixed 9 products, the same list as for CVE-2025-61726
Threats
Impact Important
CVE-2026-56858

A flaw was found in the `html/template` component of Go (golang). Pathological inputs could prematurely close an unescaped forward slash ('/'), allowing an attacker to inject arbitrary content. This could lead to Cross-Site Scripting (XSS), where malicious scripts are executed in a user's browser, potentially compromising user data or actions.

8.1 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected products
Fixed 9 products, the same list as for CVE-2025-61726
Threats
Impact Important
CVE-2026-56860

A flaw was found in `net/url`, a component of `golang`. This vulnerability arises when resolving relative paths that contain numerous parent directory ('..') segments. A remote attacker could exploit this by providing a specially crafted path, leading to quadratic time complexity and excessive memory allocation. This can result in a Denial of Service (DoS) due to resource exhaustion.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-770 - Allocation of Resources Without Limits or Throttling
Affected products
Fixed 9 products, the same list as for CVE-2025-61726
Threats
Impact Important
CVE-2026-56862

A flaw was found in the `crypto/tls` package, part of `golang`. A malicious client can exploit this vulnerability by continuously sending KeyUpdate messages to a server. This forces the server to perform indefinite key derivation operations, leading to resource exhaustion and a Denial of Service (DoS) condition.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-1050 - Excessive Platform Resource Consumption within a Loop
Affected products
Fixed 9 products, the same list as for CVE-2025-61726
Threats
Impact Important
CVE-2026-73500

A flaw was found in etcd, a distributed key-value store. A remote attacker can exploit this by opening numerous TCP connections to an etcd TLS listener without completing the TLS handshake. This action causes the `tlsListener.acceptLoop` to spawn an unbounded number of goroutines, which consume excessive memory. This resource exhaustion leads to a Denial of Service (DoS) for the etcd cluster and, consequently, for the Kubernetes control plane it supports.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-770 - Allocation of Resources Without Limits or Throttling
Affected products
Fixed 9 products, the same list as for CVE-2025-61726
Threats
Impact Important
CVE-2026-78669

A flaw was found in the Go net/http package. This flaw allows a remote attacker to cause a Denial of Service (DoS) by triggering excessive CPU consumption on an affected client or server. By opening a large number of HTTP/2 streams and repeatedly sending small configuration (SETTINGS) frames that modify window sizes, an attacker forces the system into intensive state processing. This resource exhaustion degrades performance and can render the service unresponsive.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-770 - Allocation of Resources Without Limits or Throttling
Affected products
Fixed 9 products, the same list as for CVE-2025-61726
Threats
Impact Important
CVE-2026-111943

A flaw was found in Go's crypto/x509 package. The certificate verification process fails to block trust in intermediate certificates associated with a compromised Certificate Authority (CA). A remote attacker presenting a certificate signed by these intermediate authorities can impersonate legitimate servers during secure connections. This flaw can enable an attacker to conduct a man-in-the-middle (MitM) attack to intercept or alter confidential communications.

6.8 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
CWE-295 - Improper Certificate Validation
Affected products
Fixed 9 products, the same list as for CVE-2025-61726
Threats
Impact Important
References
URL Category
https://access.redhat.com/errata/RHSA-2026:90329 self
https://access.redhat.com/security/updates/classi… external
https://bugzilla.redhat.com/show_bug.cgi?id=2434432 external
https://bugzilla.redhat.com/show_bug.cgi?id=2445356 external
https://bugzilla.redhat.com/show_bug.cgi?id=2456338 external
https://bugzilla.redhat.com/show_bug.cgi?id=2456339 external
https://bugzilla.redhat.com/show_bug.cgi?id=2467822 external
https://bugzilla.redhat.com/show_bug.cgi?id=2480756 external
https://bugzilla.redhat.com/show_bug.cgi?id=2484207 external
https://bugzilla.redhat.com/show_bug.cgi?id=2515007 external
https://bugzilla.redhat.com/show_bug.cgi?id=2515815 external
https://bugzilla.redhat.com/show_bug.cgi?id=2515820 external
https://bugzilla.redhat.com/show_bug.cgi?id=2515827 external
https://bugzilla.redhat.com/show_bug.cgi?id=2515838 external
https://bugzilla.redhat.com/show_bug.cgi?id=2515839 external
https://bugzilla.redhat.com/show_bug.cgi?id=2548344 external
https://bugzilla.redhat.com/show_bug.cgi?id=2556068 external
https://security.access.redhat.com/data/csaf/v2/a… self
https://access.redhat.com/security/cve/CVE-2025-61726 self
https://bugzilla.redhat.com/show_bug.cgi?id=2434432 external
https://www.cve.org/CVERecord?id=CVE-2025-61726 external
https://nvd.nist.gov/vuln/detail/CVE-2025-61726 external
https://go.dev/cl/736712 external
https://go.dev/issue/77101 external
https://groups.google.com/g/golang-announce/c/Vd2… external
https://pkg.go.dev/vuln/GO-2026-4341 external
https://access.redhat.com/security/cve/CVE-2026-25679 self
https://bugzilla.redhat.com/show_bug.cgi?id=2445356 external
https://www.cve.org/CVERecord?id=CVE-2026-25679 external
https://nvd.nist.gov/vuln/detail/CVE-2026-25679 external
https://go.dev/cl/752180 external
https://go.dev/issue/77578 external
https://groups.google.com/g/golang-announce/c/Edh… external
https://pkg.go.dev/vuln/GO-2026-4601 external
https://access.redhat.com/security/cve/CVE-2026-27145 self
https://bugzilla.redhat.com/show_bug.cgi?id=2484207 external
https://www.cve.org/CVERecord?id=CVE-2026-27145 external
https://nvd.nist.gov/vuln/detail/CVE-2026-27145 external
https://go.dev/cl/783621 external
https://go.dev/issue/79694 external
https://groups.google.com/g/golang-announce/c/tKs… external
https://pkg.go.dev/vuln/GO-2026-5037 external
https://access.redhat.com/security/cve/CVE-2026-32280 self
https://bugzilla.redhat.com/show_bug.cgi?id=2456339 external
https://www.cve.org/CVERecord?id=CVE-2026-32280 external
https://nvd.nist.gov/vuln/detail/CVE-2026-32280 external
https://go.dev/cl/758320 external
https://go.dev/issue/78282 external
https://groups.google.com/g/golang-announce/c/0uY… external
https://pkg.go.dev/vuln/GO-2026-4947 external
https://access.redhat.com/security/cve/CVE-2026-32283 self
https://bugzilla.redhat.com/show_bug.cgi?id=2456338 external
https://www.cve.org/CVERecord?id=CVE-2026-32283 external
https://nvd.nist.gov/vuln/detail/CVE-2026-32283 external
https://go.dev/cl/763767 external
https://go.dev/issue/78334 external
https://pkg.go.dev/vuln/GO-2026-4870 external
https://access.redhat.com/security/cve/CVE-2026-33811 self
https://bugzilla.redhat.com/show_bug.cgi?id=2467822 external
https://www.cve.org/CVERecord?id=CVE-2026-33811 external
https://nvd.nist.gov/vuln/detail/CVE-2026-33811 external
https://go.dev/cl/767860 external
https://go.dev/issue/78803 external
https://groups.google.com/g/golang-announce/c/qcC… external
https://pkg.go.dev/vuln/GO-2026-4981 external
https://access.redhat.com/security/cve/CVE-2026-33818 self
https://bugzilla.redhat.com/show_bug.cgi?id=2515815 external
https://www.cve.org/CVERecord?id=CVE-2026-33818 external
https://nvd.nist.gov/vuln/detail/CVE-2026-33818 external
https://go.dev/cl/814980 external
https://go.dev/issue/80405 external
https://groups.google.com/g/golang-announce/c/94p… external
https://pkg.go.dev/vuln/GO-2026-5972 external
https://access.redhat.com/security/cve/CVE-2026-39821 self
https://bugzilla.redhat.com/show_bug.cgi?id=2480756 external
https://www.cve.org/CVERecord?id=CVE-2026-39821 external
https://nvd.nist.gov/vuln/detail/CVE-2026-39821 external
https://go.dev/cl/767220 external
https://go.dev/issue/78760 external
https://groups.google.com/g/golang-announce/c/iI-… external
https://pkg.go.dev/vuln/GO-2026-5026 external
https://access.redhat.com/security/cve/CVE-2026-56853 self
https://bugzilla.redhat.com/show_bug.cgi?id=2515827 external
https://www.cve.org/CVERecord?id=CVE-2026-56853 external
https://nvd.nist.gov/vuln/detail/CVE-2026-56853 external
https://go.dev/cl/795540 external
https://go.dev/issue/80205 external
https://pkg.go.dev/vuln/GO-2026-6089 external
https://access.redhat.com/security/cve/CVE-2026-56858 self
https://bugzilla.redhat.com/show_bug.cgi?id=2515838 external
https://www.cve.org/CVERecord?id=CVE-2026-56858 external
https://nvd.nist.gov/vuln/detail/CVE-2026-56858 external
https://go.dev/cl/807100 external
https://go.dev/issue/80435 external
https://pkg.go.dev/vuln/GO-2026-6091 external
https://access.redhat.com/security/cve/CVE-2026-56860 self
https://bugzilla.redhat.com/show_bug.cgi?id=2515820 external
https://www.cve.org/CVERecord?id=CVE-2026-56860 external
https://nvd.nist.gov/vuln/detail/CVE-2026-56860 external
https://go.dev/cl/803681 external
https://go.dev/issue/80494 external
https://pkg.go.dev/vuln/GO-2026-6218 external
https://access.redhat.com/security/cve/CVE-2026-56862 self
https://bugzilla.redhat.com/show_bug.cgi?id=2515839 external
https://www.cve.org/CVERecord?id=CVE-2026-56862 external
https://nvd.nist.gov/vuln/detail/CVE-2026-56862 external
https://go.dev/cl/804261 external
https://go.dev/issue/80528 external
https://pkg.go.dev/vuln/GO-2026-6090 external
https://access.redhat.com/security/cve/CVE-2026-73500 self
https://bugzilla.redhat.com/show_bug.cgi?id=2515007 external
https://www.cve.org/CVERecord?id=CVE-2026-73500 external
https://nvd.nist.gov/vuln/detail/CVE-2026-73500 external
https://github.com/etcd-io/etcd/commit/2e07efce97… external
https://github.com/etcd-io/etcd/commit/89ff6d5079… external
https://github.com/etcd-io/etcd/commit/8e4dd0679a… external
https://github.com/etcd-io/etcd/commit/f73cba7d92… external
https://github.com/etcd-io/etcd/pull/22130 external
https://github.com/etcd-io/etcd/releases/tag/v3.5.33 external
https://github.com/etcd-io/etcd/releases/tag/v3.6.14 external
https://github.com/etcd-io/etcd/releases/tag/v3.7.1 external
https://github.com/etcd-io/etcd/security/advisori… external
https://access.redhat.com/security/cve/CVE-2026-78669 self
https://bugzilla.redhat.com/show_bug.cgi?id=2548344 external
https://www.cve.org/CVERecord?id=CVE-2026-78669 external
https://nvd.nist.gov/vuln/detail/CVE-2026-78669 external
https://go.dev/cl/847186 external
https://go.dev/cl/847308 external
https://go.dev/issue/81742 external
https://groups.google.com/g/golang-announce/c/U2f… external
https://groups.google.com/g/golang-announce/c/ZPw… external
https://pkg.go.dev/vuln/GO-2026-6611 external
https://access.redhat.com/security/cve/CVE-2026-111943 self
https://bugzilla.redhat.com/show_bug.cgi?id=2556068 external
https://access.redhat.com/security/vulnerabilitie… external
https://www.cve.org/CVERecord?id=CVE-2026-111943 external
https://nvd.nist.gov/vuln/detail/CVE-2026-111943 external
https://github.com/golang/go/issues/82345 external
https://groups.google.com/g/golang-nuts/c/K22sG2AYnKU external
https://pkg.go.dev/vuln/GO-2026-6809 external
To clipboard 

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      "text": "Important"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
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    "notes": [
      {
        "category": "summary",
        "text": "An update for etcd, collectd-sensubility and collectd-libpod-stats is now\navailable for Red Hat OpenStack Platform 17.1 (Wallaby) for Red Hat Enterprise Linux (RHEL) 9.2.\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.",
        "title": "Topic"
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        "text": "Red Hat OpenStack Platform provides the facilities for building, deploying and monitoring a private or public infrastructure-as-a-service (IaaS) cloud running on commonly available physical hardware.\n\nSecurity Fix(es):\n\n* golang: crypto/x509: Man-in-the-middle attacks via untrusted intermediate\ncertificates (CVE-2026-111943)\n\n* net/url: Memory exhaustion in query parameter parsing in net/url\n(CVE-2025-61726)\n\n* Incorrect parsing of IPv6 host literals in net/url (CVE-2026-25679)\n\n* golang: golang crypto/x509: Denial of Service via excessive processing of\nDNS SAN entries (CVE-2026-27145)\n\n* crypto/tls: golang: Go: Denial of Service vulnerability in certificate\nchain building (CVE-2026-32280)\n\n* golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update\nmessages (CVE-2026-32283)\n\n* golang: Go net package: Denial of Service via long CNAME response in\nLookupCNAME (CVE-2026-33811)\n\n* golang: Go encoding/asn1: Denial of Service via excessive recursion in\nUnmarshal (CVE-2026-33818)\n\n* golang: net/http: golang.org/x/net/idna: Privilege escalation via\nincorrect Punycode label processing (CVE-2026-39821)\n\n* golang: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial\nof Service (CVE-2026-56853)\n\n* golang: Go html/template: Cross-Site Scripting via pathological input\n(CVE-2026-56858)\n\n* golang: golang net/url: Denial of Service from quadratic complexity in\npath resolution (CVE-2026-56860)\n\n* golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate\nmessages (CVE-2026-56862)\n\n* etcd: Denial of Service via unbounded TLS handshake goroutines\n(CVE-2026-73500)\n\n* net/http/internal/http2: golang.org/x/net/http2: net/http: Denial of\nService via excessive HTTP/2 SETTINGS frames (CVE-2026-78669)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section.",
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          "category": "description",
          "text": "A flaw was found in the net/url package in the Go standard library. The package does not enforce a limit on the number of unique query parameters it parses. A Go application using the net/http.Request.ParseForm method will try to process all parameters provided in the request. A specially crafted HTTP request containing a massive number of query parameters will cause the application to consume an excessive amount of memory, eventually causing the application to crash or become unresponsive, resulting in a denial of service.",
          "title": "Vulnerability description"
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          "text": "golang: net/url: Memory exhaustion in query parameter parsing in net/url",
          "title": "Vulnerability summary"
        },
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          "text": "To exploit this flaw, an attacker must be able to send a specially crafted HTTP request to an application parsing URL-encoded forms with net/url, specifically a request containing a large number of unique query parameters. The request will cause the application to consume an excessive amount of memory and eventually result in a denial of service, with no impact to confidentiality or integrity. Due to this reason, this vulnerability has been rated with an important severity.",
          "title": "Statement"
        },
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          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
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          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "golang: net/url: Memory exhaustion in query parameter parsing in net/url"
    },
    {
      "cve": "CVE-2026-25679",
      "cwe": {
        "id": "CWE-1286",
        "name": "Improper Validation of Syntactic Correctness of Input"
      },
      "discovery_date": "2026-03-06T22:02:11.567841+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2445356"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "The Go standard library function net/url.Parse insufficiently validated the host/authority component and accepted some invalid URLs by effectively treating garbage before an IP-literal as ignorable. The function should have rejected this as invalid.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "net/url: Incorrect parsing of IPv6 host literals in net/url",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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          "category": "self",
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        {
          "category": "external",
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          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2445356"
        },
        {
          "category": "external",
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          "url": "https://www.cve.org/CVERecord?id=CVE-2026-25679"
        },
        {
          "category": "external",
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          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-25679"
        },
        {
          "category": "external",
          "summary": "https://go.dev/cl/752180",
          "url": "https://go.dev/cl/752180"
        },
        {
          "category": "external",
          "summary": "https://go.dev/issue/77578",
          "url": "https://go.dev/issue/77578"
        },
        {
          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/EdhZqrQ98hk",
          "url": "https://groups.google.com/g/golang-announce/c/EdhZqrQ98hk"
        },
        {
          "category": "external",
          "summary": "https://pkg.go.dev/vuln/GO-2026-4601",
          "url": "https://pkg.go.dev/vuln/GO-2026-4601"
        }
      ],
      "release_date": "2026-03-06T21:28:14.211000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-10-26T15:01:12+00:00",
          "details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
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            "9Base-RHOS-17.1:collectd-sensubility-0:0.2.1-8.el9ost.src",
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          },
          "url": "https://access.redhat.com/errata/RHSA-2026:90329"
        },
        {
          "category": "workaround",
          "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
          "product_ids": [
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
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          "details": "Important"
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      ],
      "title": "net/url: Incorrect parsing of IPv6 host literals in net/url"
    },
    {
      "cve": "CVE-2026-27145",
      "cwe": {
        "id": "CWE-606",
        "name": "Unchecked Input for Loop Condition"
      },
      "discovery_date": "2026-06-02T23:01:08.992540+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2484207"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the `crypto/x509` package of `golang`. This vulnerability allows a remote attacker to cause a Denial of Service (DoS) by presenting a specially crafted X.509 certificate with a large number of DNS Subject Alternative Name (SAN) entries. The certificate verification process, specifically the `VerifyHostname` function, incurs excessive computational overhead due to repeated string operations when processing these entries. This can lead to a significant performance degradation or unresponsiveness of systems validating such certificates.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "crypto/x509: golang: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "A flaw was found in the Go standard library crypto/x509 package. When verifying a TLS certificate hostname, VerifyHostname processed each DNS Subject Alternative Name (SAN) entry in a loop and repeatedly split the candidate hostname on \".\" characters. For certificates with a very large DNS SAN list, CPU use could grow quadratically with the number of SAN entries and hostname labels. Because hostname verification runs before the certificate chain is built, this overhead can occur even when the certificate is not trusted.\n\nRed Hat rates this issue as Important. It affects Red Hat products that include the Go standard library crypto/x509 code from an affected Go toolchain version (before Go 1.25.11, or from Go 1.26.0 through Go 1.26.3). Applications and container images built with a fixed Go release (1.25.11 or later, or 1.26.4 or later) are not affected. Community distributions such as Fedora are also affected.\n\nUpstream fix: Go 1.25.11 and Go 1.26.4 (GO-2026-5037).",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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          "summary": "Canonical URL",
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        {
          "category": "external",
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        },
        {
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          "url": "https://www.cve.org/CVERecord?id=CVE-2026-27145"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-27145",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-27145"
        },
        {
          "category": "external",
          "summary": "https://go.dev/cl/783621",
          "url": "https://go.dev/cl/783621"
        },
        {
          "category": "external",
          "summary": "https://go.dev/issue/79694",
          "url": "https://go.dev/issue/79694"
        },
        {
          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/tKs3rmcBcKw",
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        },
        {
          "category": "external",
          "summary": "https://pkg.go.dev/vuln/GO-2026-5037",
          "url": "https://pkg.go.dev/vuln/GO-2026-5037"
        }
      ],
      "release_date": "2026-06-02T22:01:36.954000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-10-26T15:01:12+00:00",
          "details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\nhttps://access.redhat.com/articles/11258",
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            "category": "none"
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          "url": "https://access.redhat.com/errata/RHSA-2026:90329"
        },
        {
          "category": "workaround",
          "details": "A flaw was found in the Go standard library crypto/x509 package. When verifying a TLS certificate hostname, VerifyHostname processed each DNS Subject Alternative Name (SAN) entry in a loop and repeatedly split the candidate hostname on \".\" characters. For certificates with a very large DNS SAN list, CPU use could grow quadratically with the number of SAN entries and hostname labels. Because hostname verification runs before the certificate chain is built, this overhead can occur even when the certificate is not trusted.\n\nRed Hat rates this issue as Important. It affects Red Hat products that include the Go standard library crypto/x509 code from an affected Go toolchain version (before Go 1.25.11, or from Go 1.26.0 through Go 1.26.3). Applications and container images built with a fixed Go release (1.25.11 or later, or 1.26.4 or later) are not affected. Community distributions such as Fedora are also affected.\n\nUpstream fix: Go 1.25.11 and Go 1.26.4 (GO-2026-5037).",
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            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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          "details": "Important"
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      ],
      "title": "crypto/x509: golang: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries"
    },
    {
      "cve": "CVE-2026-32280",
      "cwe": {
        "id": "CWE-770",
        "name": "Allocation of Resources Without Limits or Throttling"
      },
      "discovery_date": "2026-04-08T02:01:19.572351+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2456339"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the Go standard library packages `crypto/x509` and `crypto/tls`. During the process of building a certificate chain, an attacker can provide a large number of intermediate certificates. This excessive input is not properly limited, leading to an uncontrolled amount of work being performed. This can result in a denial of service (DoS) condition, making the affected system or application unavailable to legitimate users.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "crypto/x509: crypto/tls: golang: Go: Denial of Service vulnerability in certificate chain building",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This is an Important denial of service vulnerability in the Go standard library\u0027s certificate chain building process. Systems utilizing Go applications that process untrusted TLS certificates or X.509 certificate chains are susceptible to resource exhaustion when presented with an excessive number of intermediate certificates, potentially leading to service unavailability. This flaw impacts applications directly using `crypto/x509` or `crypto/tls`.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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          "category": "self",
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        },
        {
          "category": "external",
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        },
        {
          "category": "external",
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        },
        {
          "category": "external",
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        },
        {
          "category": "external",
          "summary": "https://go.dev/cl/758320",
          "url": "https://go.dev/cl/758320"
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        {
          "category": "external",
          "summary": "https://go.dev/issue/78282",
          "url": "https://go.dev/issue/78282"
        },
        {
          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU",
          "url": "https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU"
        },
        {
          "category": "external",
          "summary": "https://pkg.go.dev/vuln/GO-2026-4947",
          "url": "https://pkg.go.dev/vuln/GO-2026-4947"
        }
      ],
      "release_date": "2026-04-08T01:06:58.595000+00:00",
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        {
          "category": "vendor_fix",
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          "details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\nhttps://access.redhat.com/articles/11258",
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        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
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            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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        }
      ],
      "title": "crypto/x509: crypto/tls: golang: Go: Denial of Service vulnerability in certificate chain building"
    },
    {
      "cve": "CVE-2026-32283",
      "cwe": {
        "id": "CWE-764",
        "name": "Multiple Locks of a Critical Resource"
      },
      "discovery_date": "2026-04-08T02:01:16.213799+00:00",
      "ids": [
        {
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          "text": "2456338"
        }
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      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the `crypto/tls` package within the Go (golang) standard library, specifically affecting TLS 1.3 connections. A remote attacker can exploit this vulnerability by sending multiple key update messages in a single record after the handshake. This can cause the connection to deadlock, leading to uncontrolled consumption of resources and ultimately a denial of service (DoS).",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "Important: A flaw in the Go `crypto/tls` package allows a remote attacker to cause a denial of service in applications using TLS 1.3. By sending multiple key update messages in a single record post-handshake, an attacker can trigger a connection deadlock, leading to uncontrolled resource consumption. This impacts Red Hat products utilizing the affected Go standard library for TLS 1.3 connections.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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          "category": "external",
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        {
          "category": "external",
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          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-32283"
        },
        {
          "category": "external",
          "summary": "https://go.dev/cl/763767",
          "url": "https://go.dev/cl/763767"
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        {
          "category": "external",
          "summary": "https://go.dev/issue/78334",
          "url": "https://go.dev/issue/78334"
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        {
          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU",
          "url": "https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU"
        },
        {
          "category": "external",
          "summary": "https://pkg.go.dev/vuln/GO-2026-4870",
          "url": "https://pkg.go.dev/vuln/GO-2026-4870"
        }
      ],
      "release_date": "2026-04-08T01:06:57.670000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-10-26T15:01:12+00:00",
          "details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\nhttps://access.redhat.com/articles/11258",
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        },
        {
          "category": "workaround",
          "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.",
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
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            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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        }
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      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages"
    },
    {
      "cve": "CVE-2026-33811",
      "cwe": {
        "id": "CWE-1341",
        "name": "Multiple Releases of Same Resource or Handle"
      },
      "discovery_date": "2026-05-07T20:01:34.913869+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2467822"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the `net` package of Go (golang), specifically when using the `LookupCNAME` function with the `cgo` DNS resolver. A remote attacker could exploit this by providing a very long Canonical Name (CNAME) response. This can trigger a double-free of C memory, leading to a crash and a Denial of Service (DoS) for the affected application.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "net: golang: Go net package: Denial of Service via long CNAME response in LookupCNAME",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This is an Important denial of service vulnerability in the Go `net` package, affecting applications configured to use the `cgo` DNS resolver. A remote attacker could trigger a double-free memory error by providing a very long CNAME response, leading to a crash of the vulnerable application and impacting service availability.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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        {
          "category": "external",
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        },
        {
          "category": "external",
          "summary": "https://go.dev/cl/767860",
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          "category": "external",
          "summary": "https://go.dev/issue/78803",
          "url": "https://go.dev/issue/78803"
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        {
          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/qcCIEXso47M",
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        },
        {
          "category": "external",
          "summary": "https://pkg.go.dev/vuln/GO-2026-4981",
          "url": "https://pkg.go.dev/vuln/GO-2026-4981"
        }
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      "release_date": "2026-05-07T19:41:19.285000+00:00",
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          "category": "vendor_fix",
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        {
          "category": "workaround",
          "details": "To mitigate this issue, applications can be configured to use the pure Go DNS resolver instead of the `cgo` DNS resolver. This can be achieved by setting the `GODEBUG` environment variable to `netdns=go`. For example, to run a Go application with this mitigation: `GODEBUG=netdns=go /path/to/your/go/application`. This change may require restarting affected applications or services to take effect. Users should verify that this change does not negatively impact DNS resolution for their specific application environment.",
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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        }
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        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "net: golang: Go net package: Denial of Service via long CNAME response in LookupCNAME"
    },
    {
      "cve": "CVE-2026-33818",
      "cwe": {
        "id": "CWE-776",
        "name": "Improper Restriction of Recursive Entity References in DTDs (\u0027XML Entity Expansion\u0027)"
      },
      "discovery_date": "2026-08-13T22:12:37.151735+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2515815"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the `encoding/asn1` package in Go. An attacker could provide a specially crafted, deeply-nested Abstract Syntax Notation One (ASN.1) structure, leading to excessive recursion during the `Unmarshal` operation. This could result in stack exhaustion and a Denial of Service (DoS) condition.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "encoding/asn1: golang: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This is an Important denial of service flaw in the Go encoding/asn1 package, as it can be triggered remotely without authentication. An attacker can provide a malformed ASN.1 structure, causing excessive recursion during unmarshalling and leading to stack exhaustion, which can render the service unavailable.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-33818"
        },
        {
          "category": "external",
          "summary": "RHBZ#2515815",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2515815"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-33818",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-33818"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-33818",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33818"
        },
        {
          "category": "external",
          "summary": "https://go.dev/cl/814980",
          "url": "https://go.dev/cl/814980"
        },
        {
          "category": "external",
          "summary": "https://go.dev/issue/80405",
          "url": "https://go.dev/issue/80405"
        },
        {
          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/94pEornpRlI",
          "url": "https://groups.google.com/g/golang-announce/c/94pEornpRlI"
        },
        {
          "category": "external",
          "summary": "https://pkg.go.dev/vuln/GO-2026-5972",
          "url": "https://pkg.go.dev/vuln/GO-2026-5972"
        }
      ],
      "release_date": "2026-08-13T21:58:52.821000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-10-26T15:01:12+00:00",
          "details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
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            "9Base-RHOS-17.1:collectd-sensubility-0:0.2.1-8.el9ost.src",
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            "9Base-RHOS-17.1:collectd-sensubility-debuginfo-0:0.2.1-8.el9ost.x86_64",
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          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:90329"
        },
        {
          "category": "workaround",
          "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.",
          "product_ids": [
            "9Base-RHOS-17.1:collectd-libpod-stats-0:1.0.6-9.el9ost.src",
            "9Base-RHOS-17.1:collectd-libpod-stats-0:1.0.6-9.el9ost.x86_64",
            "9Base-RHOS-17.1:collectd-sensubility-0:0.2.1-8.el9ost.src",
            "9Base-RHOS-17.1:collectd-sensubility-0:0.2.1-8.el9ost.x86_64",
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
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            "9Base-RHOS-17.1:collectd-sensubility-debuginfo-0:0.2.1-8.el9ost.x86_64",
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            "9Base-RHOS-17.1:etcd-0:3.4.26-9.10.el9ost.x86_64",
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        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "encoding/asn1: golang: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal"
    },
    {
      "cve": "CVE-2026-39821",
      "cwe": {
        "id": "CWE-1289",
        "name": "Improper Validation of Unsafe Equivalence in Input"
      },
      "discovery_date": "2026-05-22T16:00:52.844126+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2480756"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in golang.org/x/net/idna. ToASCII and ToUnicode incorrectly accept Punycode-encoded labels that decode to an ASCII-only hostname (for example, xn--example-.com returns example.com instead of an error). Applications that validate the ASCII form then convert to Unicode may grant access to a restricted hostname the ASCII check would have rejected.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "golang.org/x/net/idna: golang: net/http: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "golang.org/x/net/idna is vulnerable to privilege escalation through incorrect Punycode label handling in ToASCII and ToUnicode. An attacker who can supply a Punycode hostname that passes an ASCII-only authorization check may have it normalized to a restricted ASCII name the application intended to block. Red Hat exposure is broad across products shipping the Go toolchain or bundling golang.org/x/net, including RHEL and RHEL-AI golang RPMs, hummingbird Go runtimes, OpenShift and ODF container builds, and Ceph/OpenShift components compiled against affected x/net versions.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-39821"
        },
        {
          "category": "external",
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          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2480756"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-39821",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-39821"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-39821",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39821"
        },
        {
          "category": "external",
          "summary": "https://go.dev/cl/767220",
          "url": "https://go.dev/cl/767220"
        },
        {
          "category": "external",
          "summary": "https://go.dev/issue/78760",
          "url": "https://go.dev/issue/78760"
        },
        {
          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/iI-mYSI0lu8",
          "url": "https://groups.google.com/g/golang-announce/c/iI-mYSI0lu8"
        },
        {
          "category": "external",
          "summary": "https://pkg.go.dev/vuln/GO-2026-5026",
          "url": "https://pkg.go.dev/vuln/GO-2026-5026"
        }
      ],
      "release_date": "2026-05-22T15:01:21.462000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-10-26T15:01:12+00:00",
          "details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
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          "url": "https://access.redhat.com/errata/RHSA-2026:90329"
        },
        {
          "category": "workaround",
          "details": "Upgrade to a fixed golang.org/x/net release that includes the idna correction, via updated golang or dependent package rebuilds.",
          "product_ids": [
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            "9Base-RHOS-17.1:collectd-libpod-stats-0:1.0.6-9.el9ost.x86_64",
            "9Base-RHOS-17.1:collectd-sensubility-0:0.2.1-8.el9ost.src",
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        }
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N",
            "version": "3.1"
          },
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          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "golang.org/x/net/idna: golang: net/http: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing"
    },
    {
      "cve": "CVE-2026-56853",
      "cwe": {
        "id": "CWE-770",
        "name": "Allocation of Resources Without Limits or Throttling"
      },
      "discovery_date": "2026-08-13T22:14:53.561638+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2515827"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the `net/http` component of the Go standard library. When a server is configured to support unencrypted HTTP/2, it reads initial bytes from new connections to detect the HTTP/2 client preface. However, the `ReadHeaderTimeout` is not correctly applied during this process. This oversight could allow a remote attacker to maintain open connections indefinitely, potentially leading to a Denial of Service (DoS) by exhausting server resources.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "net/http: golang: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "Important: Unencrypted HTTP/2 servers are susceptible to a denial of service due to improper handling of ReadHeaderTimeout during the client preface reading phase. This can lead to resource exhaustion and service unavailability in affected Red Hat products configured to support unencrypted HTTP/2.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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        },
        {
          "category": "external",
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        },
        {
          "category": "external",
          "summary": "https://go.dev/cl/795540",
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          "url": "https://go.dev/issue/80205"
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          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/94pEornpRlI",
          "url": "https://groups.google.com/g/golang-announce/c/94pEornpRlI"
        },
        {
          "category": "external",
          "summary": "https://pkg.go.dev/vuln/GO-2026-6089",
          "url": "https://pkg.go.dev/vuln/GO-2026-6089"
        }
      ],
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          "cvss_v3": {
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      "title": "net/http: golang: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service"
    },
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      "cve": "CVE-2026-56858",
      "cwe": {
        "id": "CWE-79",
        "name": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
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        {
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          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "html/template: golang: Go html/template: Cross-Site Scripting via pathological input",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This is an Important cross-site scripting (XSS) vulnerability in the Go `html/template` package. Applications utilizing this package to render untrusted input are susceptible to arbitrary content injection due to a flaw in how pathological inputs are handled, potentially leading to client-side script execution.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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          "details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\nhttps://access.redhat.com/articles/11258",
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      "title": "html/template: golang: Go html/template: Cross-Site Scripting via pathological input"
    },
    {
      "cve": "CVE-2026-56860",
      "cwe": {
        "id": "CWE-770",
        "name": "Allocation of Resources Without Limits or Throttling"
      },
      "discovery_date": "2026-08-13T22:13:18.319384+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2515820"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in `net/url`, a component of `golang`. This vulnerability arises when resolving relative paths that contain numerous parent directory (\u0027..\u0027) segments. A remote attacker could exploit this by providing a specially crafted path, leading to quadratic time complexity and excessive memory allocation. This can result in a Denial of Service (DoS) due to resource exhaustion.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "net/url: golang: golang net/url: Denial of Service from quadratic complexity in path resolution",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This is an Important denial of service flaw in the Go `net/url` package. Applications built with Go that process untrusted URLs containing parent directory segments (\u0027..\u0027) may be vulnerable to excessive resource consumption due to quadratic time complexity in path resolution. This can lead to a denial of service, impacting the availability of affected services.",
          "title": "Statement"
        },
        {
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          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
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    },
    {
      "cve": "CVE-2026-56862",
      "cwe": {
        "id": "CWE-1050",
        "name": "Excessive Platform Resource Consumption within a Loop"
      },
      "discovery_date": "2026-08-13T22:16:41.928450+00:00",
      "ids": [
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          "system_name": "Red Hat Bugzilla ID",
          "text": "2515839"
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        {
          "category": "description",
          "text": "A flaw was found in the `crypto/tls` package, part of `golang`. A malicious client can exploit this vulnerability by continuously sending KeyUpdate messages to a server. This forces the server to perform indefinite key derivation operations, leading to resource exhaustion and a Denial of Service (DoS) condition.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This is an Important denial of service vulnerability in the `golang` `crypto/tls` package. A remote, unauthenticated attacker can exploit this flaw by continuously sending `KeyUpdate` messages during a TLS handshake, forcing the server to perform indefinite key derivation operations. This resource exhaustion can lead to a denial of service for applications and services in Red Hat products that use the affected `crypto/tls` library and are exposed to untrusted network clients.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
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      ],
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:90329"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
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            "9Base-RHOS-17.1:collectd-sensubility-0:0.2.1-8.el9ost.src",
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            "9Base-RHOS-17.1:collectd-sensubility-debuginfo-0:0.2.1-8.el9ost.x86_64",
            "9Base-RHOS-17.1:etcd-0:3.4.26-9.10.el9ost.src",
            "9Base-RHOS-17.1:etcd-0:3.4.26-9.10.el9ost.x86_64",
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        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages"
    },
    {
      "cve": "CVE-2026-73500",
      "cwe": {
        "id": "CWE-770",
        "name": "Allocation of Resources Without Limits or Throttling"
      },
      "discovery_date": "2026-08-12T21:41:05.096460+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2515007"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in etcd, a distributed key-value store. A remote attacker can exploit this by opening numerous TCP connections to an etcd TLS listener without completing the TLS handshake. This action causes the `tlsListener.acceptLoop` to spawn an unbounded number of goroutines, which consume excessive memory. This resource exhaustion leads to a Denial of Service (DoS) for the etcd cluster and, consequently, for the Kubernetes control plane it supports.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "etcd: etcd: Denial of Service via unbounded TLS handshake goroutines",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This is an Important denial of service flaw in etcd, a critical component for distributed systems and Kubernetes control planes. A remote attacker can exhaust etcd memory by initiating numerous incomplete TLS handshakes, leading to a loss of availability for affected clusters.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
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      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-73500"
        },
        {
          "category": "external",
          "summary": "RHBZ#2515007",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2515007"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-73500",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-73500"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-73500",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-73500"
        },
        {
          "category": "external",
          "summary": "https://github.com/etcd-io/etcd/commit/2e07efce9745004eb4773cffaada9b5cdf77cff2",
          "url": "https://github.com/etcd-io/etcd/commit/2e07efce9745004eb4773cffaada9b5cdf77cff2"
        },
        {
          "category": "external",
          "summary": "https://github.com/etcd-io/etcd/commit/89ff6d50796049d4f1136915ba21504b76e7e372",
          "url": "https://github.com/etcd-io/etcd/commit/89ff6d50796049d4f1136915ba21504b76e7e372"
        },
        {
          "category": "external",
          "summary": "https://github.com/etcd-io/etcd/commit/8e4dd0679a2c6b095d2a32a749fda2521c7809a3",
          "url": "https://github.com/etcd-io/etcd/commit/8e4dd0679a2c6b095d2a32a749fda2521c7809a3"
        },
        {
          "category": "external",
          "summary": "https://github.com/etcd-io/etcd/commit/f73cba7d920019f91a1ea1f6697833e42731f057",
          "url": "https://github.com/etcd-io/etcd/commit/f73cba7d920019f91a1ea1f6697833e42731f057"
        },
        {
          "category": "external",
          "summary": "https://github.com/etcd-io/etcd/pull/22130",
          "url": "https://github.com/etcd-io/etcd/pull/22130"
        },
        {
          "category": "external",
          "summary": "https://github.com/etcd-io/etcd/releases/tag/v3.5.33",
          "url": "https://github.com/etcd-io/etcd/releases/tag/v3.5.33"
        },
        {
          "category": "external",
          "summary": "https://github.com/etcd-io/etcd/releases/tag/v3.6.14",
          "url": "https://github.com/etcd-io/etcd/releases/tag/v3.6.14"
        },
        {
          "category": "external",
          "summary": "https://github.com/etcd-io/etcd/releases/tag/v3.7.1",
          "url": "https://github.com/etcd-io/etcd/releases/tag/v3.7.1"
        },
        {
          "category": "external",
          "summary": "https://github.com/etcd-io/etcd/security/advisories/GHSA-6vch-q96h-7gc3",
          "url": "https://github.com/etcd-io/etcd/security/advisories/GHSA-6vch-q96h-7gc3"
        }
      ],
      "release_date": "2026-08-12T21:22:25.151000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-10-26T15:01:12+00:00",
          "details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
            "9Base-RHOS-17.1:collectd-libpod-stats-0:1.0.6-9.el9ost.src",
            "9Base-RHOS-17.1:collectd-libpod-stats-0:1.0.6-9.el9ost.x86_64",
            "9Base-RHOS-17.1:collectd-sensubility-0:0.2.1-8.el9ost.src",
            "9Base-RHOS-17.1:collectd-sensubility-0:0.2.1-8.el9ost.x86_64",
            "9Base-RHOS-17.1:collectd-sensubility-debuginfo-0:0.2.1-8.el9ost.x86_64",
            "9Base-RHOS-17.1:etcd-0:3.4.26-9.10.el9ost.src",
            "9Base-RHOS-17.1:etcd-0:3.4.26-9.10.el9ost.x86_64",
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          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:90329"
        },
        {
          "category": "workaround",
          "details": "Restrict network access to the etcd TLS listener to only trusted clients and networks. Configure firewall rules to limit inbound connections to the etcd client port (default 2379) and peer port (default 2380) to authorized hosts. This reduces the attack surface by preventing untrusted network attackers from reaching the vulnerable service.",
          "product_ids": [
            "9Base-RHOS-17.1:collectd-libpod-stats-0:1.0.6-9.el9ost.src",
            "9Base-RHOS-17.1:collectd-libpod-stats-0:1.0.6-9.el9ost.x86_64",
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        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
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            "9Base-RHOS-17.1:etcd-0:3.4.26-9.10.el9ost.src",
            "9Base-RHOS-17.1:etcd-0:3.4.26-9.10.el9ost.x86_64",
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        }
      ],
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        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "etcd: etcd: Denial of Service via unbounded TLS handshake goroutines"
    },
    {
      "cve": "CVE-2026-78669",
      "cwe": {
        "id": "CWE-770",
        "name": "Allocation of Resources Without Limits or Throttling"
      },
      "discovery_date": "2026-10-08T23:01:28.964317+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2548344"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the Go net/http package. This flaw allows a remote attacker to cause a Denial of Service (DoS) by triggering excessive CPU consumption on an affected client or server. By opening a large number of HTTP/2 streams and repeatedly sending small configuration (SETTINGS) frames that modify window sizes, an attacker forces the system into intensive state processing. This resource exhaustion degrades performance and can render the service unresponsive.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "net/http: net/http/internal/http2: golang.org/x/net/http2: net/http: Denial of Service via excessive HTTP/2 SETTINGS frames",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "A flaw was found in the Go net/http package and the golang.org/x/net/http2 module. A malicious HTTP/2 peer can cause excessive CPU consumption by opening a large number of HTTP/2 streams and then sending many small SETTINGS frames containing SETTINGS_INITIAL_WINDOW_SIZE values. Each SETTINGS frame forces the server or client to iterate over all open streams to adjust their flow-control windows, resulting in quadratic CPU usage and denial of service.\n\nThis vulnerability affects all Go programs that serve or consume HTTP/2 traffic using net/http or golang.org/x/net/http2.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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          "summary": "Canonical URL",
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        },
        {
          "category": "external",
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        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-78669",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-78669"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-78669",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-78669"
        },
        {
          "category": "external",
          "summary": "https://go.dev/cl/847186",
          "url": "https://go.dev/cl/847186"
        },
        {
          "category": "external",
          "summary": "https://go.dev/cl/847308",
          "url": "https://go.dev/cl/847308"
        },
        {
          "category": "external",
          "summary": "https://go.dev/issue/81742",
          "url": "https://go.dev/issue/81742"
        },
        {
          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/U2fTuyDJznI",
          "url": "https://groups.google.com/g/golang-announce/c/U2fTuyDJznI"
        },
        {
          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/ZPwCyRUuGBs",
          "url": "https://groups.google.com/g/golang-announce/c/ZPwCyRUuGBs"
        },
        {
          "category": "external",
          "summary": "https://pkg.go.dev/vuln/GO-2026-6611",
          "url": "https://pkg.go.dev/vuln/GO-2026-6611"
        }
      ],
      "release_date": "2026-10-08T22:53:59.530000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-10-26T15:01:12+00:00",
          "details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\nhttps://access.redhat.com/articles/11258",
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          "restart_required": {
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          },
          "url": "https://access.redhat.com/errata/RHSA-2026:90329"
        },
        {
          "category": "workaround",
          "details": "In case you consume HTTP2, upgrade to a patched version of the http module.\n\nVerify:\n```\ngo version\ngo list -m golang.org/x/net\ngovulncheck ./...\n```",
          "product_ids": [
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        }
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
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        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "net/http: net/http/internal/http2: golang.org/x/net/http2: net/http: Denial of Service via excessive HTTP/2 SETTINGS frames"
    },
    {
      "cve": "CVE-2026-111943",
      "cwe": {
        "id": "CWE-295",
        "name": "Improper Certificate Validation"
      },
      "discovery_date": "2026-10-20T09:38:36.160000+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2556068"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Go\u0027s crypto/x509 package. The certificate verification process fails to block trust in intermediate certificates associated with a compromised Certificate Authority (CA). A remote attacker presenting a certificate signed by these intermediate authorities can impersonate legitimate servers during secure connections. This flaw can enable an attacker to conduct a man-in-the-middle (MitM) attack to intercept or alter confidential communications.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "crypto/x509: golang: crypto/x509: Man-in-the-middle attacks via untrusted intermediate certificates",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This vulnerability is rated Important because Go applications validating TLS certificates could accept unauthorized certificates issued by distrusted intermediate Certificate Authorities, potentially compromising the integrity and confidentiality of secure network communications. Any Go-based client or server relying on standard certificate verification may be exposed to man-in-the-middle attacks if an attacker intercepts traffic using certificates derived from these intermediate keys. Exploitation requires specific network positioning and certificates generated by the untrusted intermediate authorities, limiting opportunistic widespread abuse.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
          "9Base-RHOS-17.1:collectd-libpod-stats-0:1.0.6-9.el9ost.src",
          "9Base-RHOS-17.1:collectd-libpod-stats-0:1.0.6-9.el9ost.x86_64",
          "9Base-RHOS-17.1:collectd-sensubility-0:0.2.1-8.el9ost.src",
          "9Base-RHOS-17.1:collectd-sensubility-0:0.2.1-8.el9ost.x86_64",
          "9Base-RHOS-17.1:collectd-sensubility-debuginfo-0:0.2.1-8.el9ost.x86_64",
          "9Base-RHOS-17.1:etcd-0:3.4.26-9.10.el9ost.src",
          "9Base-RHOS-17.1:etcd-0:3.4.26-9.10.el9ost.x86_64",
          "9Base-RHOS-17.1:etcd-debuginfo-0:3.4.26-9.10.el9ost.x86_64",
          "9Base-RHOS-17.1:etcd-debugsource-0:3.4.26-9.10.el9ost.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-111943"
        },
        {
          "category": "external",
          "summary": "RHBZ#2556068",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2556068"
        },
        {
          "category": "external",
          "summary": "RHSB-2026-012",
          "url": "https://access.redhat.com/security/vulnerabilities/RHSB-2026-012"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-111943",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-111943"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-111943",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-111943"
        },
        {
          "category": "external",
          "summary": "https://github.com/golang/go/issues/82345",
          "url": "https://github.com/golang/go/issues/82345"
        },
        {
          "category": "external",
          "summary": "https://groups.google.com/g/golang-nuts/c/K22sG2AYnKU",
          "url": "https://groups.google.com/g/golang-nuts/c/K22sG2AYnKU"
        },
        {
          "category": "external",
          "summary": "https://pkg.go.dev/vuln/GO-2026-6809",
          "url": "https://pkg.go.dev/vuln/GO-2026-6809"
        }
      ],
      "release_date": "2026-10-20T02:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-10-26T15:01:12+00:00",
          "details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
            "9Base-RHOS-17.1:collectd-libpod-stats-0:1.0.6-9.el9ost.src",
            "9Base-RHOS-17.1:collectd-libpod-stats-0:1.0.6-9.el9ost.x86_64",
            "9Base-RHOS-17.1:collectd-sensubility-0:0.2.1-8.el9ost.src",
            "9Base-RHOS-17.1:collectd-sensubility-0:0.2.1-8.el9ost.x86_64",
            "9Base-RHOS-17.1:collectd-sensubility-debuginfo-0:0.2.1-8.el9ost.x86_64",
            "9Base-RHOS-17.1:etcd-0:3.4.26-9.10.el9ost.src",
            "9Base-RHOS-17.1:etcd-0:3.4.26-9.10.el9ost.x86_64",
            "9Base-RHOS-17.1:etcd-debuginfo-0:3.4.26-9.10.el9ost.x86_64",
            "9Base-RHOS-17.1:etcd-debugsource-0:3.4.26-9.10.el9ost.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:90329"
        },
        {
          "category": "workaround",
          "details": "See the security bulletin for a detailed mitigation procedure.",
          "product_ids": [
            "9Base-RHOS-17.1:collectd-libpod-stats-0:1.0.6-9.el9ost.src",
            "9Base-RHOS-17.1:collectd-libpod-stats-0:1.0.6-9.el9ost.x86_64",
            "9Base-RHOS-17.1:collectd-sensubility-0:0.2.1-8.el9ost.src",
            "9Base-RHOS-17.1:collectd-sensubility-0:0.2.1-8.el9ost.x86_64",
            "9Base-RHOS-17.1:collectd-sensubility-debuginfo-0:0.2.1-8.el9ost.x86_64",
            "9Base-RHOS-17.1:etcd-0:3.4.26-9.10.el9ost.src",
            "9Base-RHOS-17.1:etcd-0:3.4.26-9.10.el9ost.x86_64",
            "9Base-RHOS-17.1:etcd-debuginfo-0:3.4.26-9.10.el9ost.x86_64",
            "9Base-RHOS-17.1:etcd-debugsource-0:3.4.26-9.10.el9ost.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
          "products": [
            "9Base-RHOS-17.1:collectd-libpod-stats-0:1.0.6-9.el9ost.src",
            "9Base-RHOS-17.1:collectd-libpod-stats-0:1.0.6-9.el9ost.x86_64",
            "9Base-RHOS-17.1:collectd-sensubility-0:0.2.1-8.el9ost.src",
            "9Base-RHOS-17.1:collectd-sensubility-0:0.2.1-8.el9ost.x86_64",
            "9Base-RHOS-17.1:collectd-sensubility-debuginfo-0:0.2.1-8.el9ost.x86_64",
            "9Base-RHOS-17.1:etcd-0:3.4.26-9.10.el9ost.src",
            "9Base-RHOS-17.1:etcd-0:3.4.26-9.10.el9ost.x86_64",
            "9Base-RHOS-17.1:etcd-debuginfo-0:3.4.26-9.10.el9ost.x86_64",
            "9Base-RHOS-17.1:etcd-debugsource-0:3.4.26-9.10.el9ost.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "crypto/x509: golang: crypto/x509: Man-in-the-middle attacks via untrusted intermediate certificates"
    }
  ]
}



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