RHSA-2026:25535
Vulnerability from csaf_redhat - Published: 2026-06-12 21:36 - Updated: 2026-07-03 00:54Summary
Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
Severity
Moderate
Notes
Topic: An update for Red Hat Hardened Images RPMs is now available.
Details: This update includes the following RPMs:
kubernetes1.35:
* kubernetes1.35-1.35.6-1.hum1 (aarch64, x86_64)
* kubernetes1.35-client-1.35.6-1.hum1 (aarch64, x86_64)
* kubernetes1.35-kubeadm-1.35.6-1.hum1 (aarch64, x86_64)
* kubernetes1.35-systemd-1.35.6-1.hum1 (aarch64, x86_64)
* kubernetes1.35-1.35.6-1.hum1.src (src)
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.
A flaw was found in OpenTelemetry-Go (before schema package version 0.0.17). ParseFile in go.opentelemetry.io/otel/schema/v1.0 and v1.1 opens a schema file and passes it to Parse without closing it, leaking one file descriptor per successful call. Repeated parsing in a long-running process can exhaust the file descriptor limit and cause denial of service.
4.0 (Medium)
Affected products
Fixed
3 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Hardened Images:kubernetes1-35-main@aarch64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: Red Hat Hardened Images:kubernetes1-35-main@src | — |
Vendor Fix
fix
|
|
| Unresolved product id: Red Hat Hardened Images:kubernetes1-35-main@x86_64 | — |
Vendor Fix
fix
|
Threats
Impact
Low
A flaw was found in containerd, an open-source container runtime. A remote attacker could exploit this vulnerability by providing a maliciously crafted image. When a container is created from this image, it leads to uncontrolled resource consumption and memory exhaustion, causing the containerd process to terminate. This results in a Denial of Service (DoS) condition, making the container runtime API unavailable and disrupting clients like Docker Engine or Kubernetes.
6.5 (Medium)
Affected products
Fixed
3 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Hardened Images:kubernetes1-35-main@aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:kubernetes1-35-main@src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:kubernetes1-35-main@x86_64 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Moderate
References
18 references
{
"document": {
"aggregate_severity": {
"namespace": "https://access.redhat.com/security/updates/classification/",
"text": "Moderate"
},
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "en",
"notes": [
{
"category": "summary",
"text": "An update for Red Hat Hardened Images RPMs is now available.",
"title": "Topic"
},
{
"category": "general",
"text": "This update includes the following RPMs:\n\nkubernetes1.35:\n * kubernetes1.35-1.35.6-1.hum1 (aarch64, x86_64)\n * kubernetes1.35-client-1.35.6-1.hum1 (aarch64, x86_64)\n * kubernetes1.35-kubeadm-1.35.6-1.hum1 (aarch64, x86_64)\n * kubernetes1.35-systemd-1.35.6-1.hum1 (aarch64, x86_64)\n * kubernetes1.35-1.35.6-1.hum1.src (src)",
"title": "Details"
},
{
"category": "legal_disclaimer",
"text": "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.",
"title": "Terms of Use"
}
],
"publisher": {
"category": "vendor",
"contact_details": "https://access.redhat.com/security/team/contact/",
"issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.",
"name": "Red Hat Product Security",
"namespace": "https://www.redhat.com"
},
"references": [
{
"category": "self",
"summary": "https://access.redhat.com/errata/RHSA-2026:25535",
"url": "https://access.redhat.com/errata/RHSA-2026:25535"
},
{
"category": "external",
"summary": "https://images.redhat.com/",
"url": "https://images.redhat.com/"
},
{
"category": "external",
"summary": "https://access.redhat.com/security/cve/CVE-2026-45287",
"url": "https://access.redhat.com/security/cve/CVE-2026-45287"
},
{
"category": "external",
"summary": "https://access.redhat.com/security/updates/classification/",
"url": "https://access.redhat.com/security/updates/classification/"
},
{
"category": "external",
"summary": "https://access.redhat.com/security/cve/CVE-2026-47262",
"url": "https://access.redhat.com/security/cve/CVE-2026-47262"
},
{
"category": "self",
"summary": "Canonical URL",
"url": "https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_25535.json"
}
],
"title": "Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update",
"tracking": {
"current_release_date": "2026-07-03T00:54:11+00:00",
"generator": {
"date": "2026-07-03T00:54:11+00:00",
"engine": {
"name": "Red Hat SDEngine",
"version": "5.3.1"
}
},
"id": "RHSA-2026:25535",
"initial_release_date": "2026-06-12T21:36:51+00:00",
"revision_history": [
{
"date": "2026-06-12T21:36:51+00:00",
"number": "1",
"summary": "Initial version"
},
{
"date": "2026-07-02T11:26:31+00:00",
"number": "2",
"summary": "Last updated version"
},
{
"date": "2026-07-03T00:54:11+00:00",
"number": "3",
"summary": "Last generated version"
}
],
"status": "final",
"version": "3"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_name",
"name": "Red Hat Hardened Images",
"product": {
"name": "Red Hat Hardened Images",
"product_id": "Red Hat Hardened Images",
"product_identification_helper": {
"cpe": "cpe:/a:redhat:hummingbird:1"
}
}
}
],
"category": "product_family",
"name": "Red Hat Hardened Images"
},
{
"branches": [
{
"category": "product_version",
"name": "kubernetes1-35-main@aarch64",
"product": {
"name": "kubernetes1-35-main@aarch64",
"product_id": "kubernetes1-35-main@aarch64",
"product_identification_helper": {
"purl": "pkg:rpm/redhat/kubernetes1.35@1.35.6-1.hum1?arch=aarch64\u0026distro=hummingbird-20251124\u0026repository_id=public-hummingbird-aarch64-rpms"
}
}
}
],
"category": "architecture",
"name": "aarch64"
},
{
"branches": [
{
"category": "product_version",
"name": "kubernetes1-35-main@src",
"product": {
"name": "kubernetes1-35-main@src",
"product_id": "kubernetes1-35-main@src",
"product_identification_helper": {
"purl": "pkg:rpm/redhat/kubernetes1.35@1.35.6-1.hum1?arch=src\u0026distro=hummingbird-20251124\u0026repository_id=public-hummingbird-source-rpms"
}
}
}
],
"category": "architecture",
"name": "src"
},
{
"branches": [
{
"category": "product_version",
"name": "kubernetes1-35-main@x86_64",
"product": {
"name": "kubernetes1-35-main@x86_64",
"product_id": "kubernetes1-35-main@x86_64",
"product_identification_helper": {
"purl": "pkg:rpm/redhat/kubernetes1.35@1.35.6-1.hum1?arch=x86_64\u0026distro=hummingbird-20251124\u0026repository_id=public-hummingbird-x86_64-rpms"
}
}
}
],
"category": "architecture",
"name": "x86_64"
}
],
"category": "vendor",
"name": "Red Hat"
}
],
"relationships": [
{
"category": "default_component_of",
"full_product_name": {
"name": "kubernetes1-35-main@aarch64 as a component of Red Hat Hardened Images",
"product_id": "Red Hat Hardened Images:kubernetes1-35-main@aarch64"
},
"product_reference": "kubernetes1-35-main@aarch64",
"relates_to_product_reference": "Red Hat Hardened Images"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "kubernetes1-35-main@src as a component of Red Hat Hardened Images",
"product_id": "Red Hat Hardened Images:kubernetes1-35-main@src"
},
"product_reference": "kubernetes1-35-main@src",
"relates_to_product_reference": "Red Hat Hardened Images"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "kubernetes1-35-main@x86_64 as a component of Red Hat Hardened Images",
"product_id": "Red Hat Hardened Images:kubernetes1-35-main@x86_64"
},
"product_reference": "kubernetes1-35-main@x86_64",
"relates_to_product_reference": "Red Hat Hardened Images"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2026-45287",
"cwe": {
"id": "CWE-772",
"name": "Missing Release of Resource after Effective Lifetime"
},
"discovery_date": "2026-06-04T16:01:14.155335+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2484831"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in OpenTelemetry-Go (before schema package version 0.0.17). ParseFile in go.opentelemetry.io/otel/schema/v1.0 and v1.1 opens a schema file and passes it to Parse without closing it, leaking one file descriptor per successful call. Repeated parsing in a long-running process can exhaust the file descriptor limit and cause denial of service.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "go.opentelemetry.io/otel: go.opentelemetry.io/otel/schema/v1.0: go.opentelemetry.io/otel/schema/v1.1: OpenTelemetry-Go: Denial of Service due to file descriptor leak",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "OpenTelemetry-Go schema parsing is vulnerable to file descriptor leak in ParseFile for otel/schema v1.0 and v1.1. An attacker who can cause repeated schema parsing against an attacker-influenced file path in a long-running Go process may exhaust file descriptors and crash or stall the service. Exposure is limited to applications that expose schema parsing to untrusted paths; many Red Hat Go services bundle the library transitively without hitting this code path.",
"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": [
"Red Hat Hardened Images:kubernetes1-35-main@aarch64",
"Red Hat Hardened Images:kubernetes1-35-main@src",
"Red Hat Hardened Images:kubernetes1-35-main@x86_64"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-45287"
},
{
"category": "external",
"summary": "RHBZ#2484831",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2484831"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-45287",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-45287"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-45287",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-45287"
},
{
"category": "external",
"summary": "https://github.com/open-telemetry/opentelemetry-go/commit/e72a235518cb773137efd80336a179028bc34684",
"url": "https://github.com/open-telemetry/opentelemetry-go/commit/e72a235518cb773137efd80336a179028bc34684"
},
{
"category": "external",
"summary": "https://github.com/open-telemetry/opentelemetry-go/commit/f12d198f161b61735d65705248715aa97021ba8d",
"url": "https://github.com/open-telemetry/opentelemetry-go/commit/f12d198f161b61735d65705248715aa97021ba8d"
},
{
"category": "external",
"summary": "https://github.com/open-telemetry/opentelemetry-go/security/advisories/GHSA-995v-fvrw-c78m",
"url": "https://github.com/open-telemetry/opentelemetry-go/security/advisories/GHSA-995v-fvrw-c78m"
}
],
"release_date": "2026-06-04T14:45:54.522000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-06-12T21:36:51+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
"product_ids": [
"Red Hat Hardened Images:kubernetes1-35-main@aarch64",
"Red Hat Hardened Images:kubernetes1-35-main@src",
"Red Hat Hardened Images:kubernetes1-35-main@x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:25535"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "LOW",
"baseScore": 4.0,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"version": "3.1"
},
"products": [
"Red Hat Hardened Images:kubernetes1-35-main@aarch64",
"Red Hat Hardened Images:kubernetes1-35-main@src",
"Red Hat Hardened Images:kubernetes1-35-main@x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Low"
}
],
"title": "go.opentelemetry.io/otel: go.opentelemetry.io/otel/schema/v1.0: go.opentelemetry.io/otel/schema/v1.1: OpenTelemetry-Go: Denial of Service due to file descriptor leak"
},
{
"cve": "CVE-2026-47262",
"cwe": {
"id": "CWE-770",
"name": "Allocation of Resources Without Limits or Throttling"
},
"discovery_date": "2026-07-01T19:01:12.673142+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2496126"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in containerd, an open-source container runtime. A remote attacker could exploit this vulnerability by providing a maliciously crafted image. When a container is created from this image, it leads to uncontrolled resource consumption and memory exhaustion, causing the containerd process to terminate. This results in a Denial of Service (DoS) condition, making the container runtime API unavailable and disrupting clients like Docker Engine or Kubernetes.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "github.com/containerd/containerd: containerd: Denial of Service via maliciously crafted image leading to unbounded group parsing",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Red Hat\u0027s container platform uses CRI-O as its container runtime interface, not containerd. While containerd libraries are bundled in some images for OCI image operations (e.g., estargz support via skopeo), the containerd daemon and its CRI plugin (where the vulnerable group-parsing code path exists) are not executed. Therefore, this vulnerability is not exploitable in Red Hat products.",
"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": [
"Red Hat Hardened Images:kubernetes1-35-main@aarch64",
"Red Hat Hardened Images:kubernetes1-35-main@src",
"Red Hat Hardened Images:kubernetes1-35-main@x86_64"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-47262"
},
{
"category": "external",
"summary": "RHBZ#2496126",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2496126"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-47262",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-47262"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-47262",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-47262"
},
{
"category": "external",
"summary": "https://github.com/containerd/containerd/security/advisories/GHSA-jpcc-p29g-p8mq",
"url": "https://github.com/containerd/containerd/security/advisories/GHSA-jpcc-p29g-p8mq"
}
],
"release_date": "2026-07-01T17:48:43.205000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-06-12T21:36:51+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
"product_ids": [
"Red Hat Hardened Images:kubernetes1-35-main@aarch64",
"Red Hat Hardened Images:kubernetes1-35-main@src",
"Red Hat Hardened Images:kubernetes1-35-main@x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:25535"
},
{
"category": "workaround",
"details": "No mitigation is needed for Red Hat products. The vulnerable code path in containerd\u0027s CRI plugin group-parsing logic is not executed because Red Hat uses CRI-O as the container runtime. Products that bundle containerd as a library dependency for OCI image operations are not affected.",
"product_ids": [
"Red Hat Hardened Images:kubernetes1-35-main@aarch64",
"Red Hat Hardened Images:kubernetes1-35-main@src",
"Red Hat Hardened Images:kubernetes1-35-main@x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"products": [
"Red Hat Hardened Images:kubernetes1-35-main@aarch64",
"Red Hat Hardened Images:kubernetes1-35-main@src",
"Red Hat Hardened Images:kubernetes1-35-main@x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "github.com/containerd/containerd: containerd: Denial of Service via maliciously crafted image leading to unbounded group parsing"
}
]
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
Loading…