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Vulnerability from cleanstart
Published
2026-08-13 12:10
Modified
2026-08-14 05:57
Summary
Security fixes in cfssl 1.5.0-r1
Details
Package cfssl version 1.5.0-r1 fixes 81 vulnerabilities: CVE-2020-29652, CVE-2021-31525, CVE-2021-33194, CVE-2021-38561, CVE-2021-43565...
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"package": {
"ecosystem": "Alpine",
"name": "cfssl"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.5.0-r1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.5.0-r1"
]
}
],
"credits": [],
"database_specific": {},
"details": "Package cfssl version 1.5.0-r1 fixes 81 vulnerabilities: CVE-2020-29652, CVE-2021-31525, CVE-2021-33194, CVE-2021-38561, CVE-2021-43565...",
"id": "CLEANSTART-2026-NG63443",
"modified": "2026-08-14T05:57:28Z",
"published": "2026-08-13T12:10:09Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/cloudflare/cfssl"
}
],
"related": [],
"schema_version": "1.7.3",
"summary": "Security fixes in cfssl 1.5.0-r1",
"upstream": [
"CVE-2020-29652",
"CVE-2021-31525",
"CVE-2021-33194",
"CVE-2021-38561",
"CVE-2021-43565",
"CVE-2021-44716",
"CVE-2022-27191",
"CVE-2022-27664",
"CVE-2022-30636",
"CVE-2022-32149",
"CVE-2022-41717",
"CVE-2022-41723",
"CVE-2023-3978",
"CVE-2023-39325",
"CVE-2023-44487",
"CVE-2023-45288",
"CVE-2023-48795",
"CVE-2024-45337",
"CVE-2024-45338",
"CVE-2025-22869",
"CVE-2025-22870",
"CVE-2025-22872",
"CVE-2025-47911",
"CVE-2025-47913",
"CVE-2025-47914",
"CVE-2025-58181",
"CVE-2025-58190",
"CVE-2026-25680",
"CVE-2026-25681",
"CVE-2026-27136",
"CVE-2026-33814",
"CVE-2026-39821",
"CVE-2026-39827",
"CVE-2026-39828",
"CVE-2026-39829",
"CVE-2026-39830",
"CVE-2026-39831",
"CVE-2026-39832",
"CVE-2026-39833",
"CVE-2026-39834",
"CVE-2026-39835",
"CVE-2026-42502",
"CVE-2026-42506",
"CVE-2026-42508",
"CVE-2026-46595",
"CVE-2026-46597",
"CVE-2026-46598",
"CVE-2026-46600",
"CVE-2026-56852",
"ghsa-3vm4-22fp-5rfm",
"ghsa-45gg-vh54-h5m9",
"ghsa-45x7-px36-x8w8",
"ghsa-4374-p667-p6c8",
"ghsa-5cgq-3rg8-m6cv",
"ghsa-5cv4-jp36-h3mw",
"ghsa-69cg-p879-7622",
"ghsa-78mq-xcr3-xm33",
"ghsa-89gr-r52h-f8rx",
"ghsa-8c26-wmh5-6g9v",
"ghsa-2wrh-6pvc-2jm9",
"ghsa-83g2-8m93-v3w7",
"ghsa-4v7x-pqxf-cx7m",
"ghsa-f5wc-c3c7-36mc",
"ghsa-f6x5-jh6r-wrfv",
"ghsa-gwc9-m7rh-j2ww",
"ghsa-h86h-8ppg-mxmh",
"ghsa-hcg3-q754-cr77",
"ghsa-j5w8-q4qc-rx2x",
"ghsa-jppx-rxg9-jmrx",
"ghsa-q4h4-gmj2-qvw2",
"ghsa-qpw4-5x99-6vjp",
"ghsa-qppj-fm5r-hxr3",
"ghsa-qxp5-gwg8-xv66",
"ghsa-rm3j-f69w-wqmq",
"ghsa-v778-237x-gjrc",
"ghsa-vgwf-h737-ff37",
"ghsa-vvgc-356p-c3xw",
"ghsa-vvpx-j8f3-3w6h",
"ghsa-w879-237q-wc7r",
"ghsa-x527-x647-q7gg",
"ghsa-xrjj-mj9h-534m"
]
}
GHSA-QPPJ-FM5R-HXR3
Vulnerability from github – Published: 2023-10-10 21:28 – Updated: 2026-05-13 15:25
VLAI
Summary
HTTP/2 Stream Cancellation Attack
Details
HTTP/2 Rapid reset attack
The HTTP/2 protocol allows clients to indicate to the server that a previous stream should be canceled by sending a RST_STREAM frame. The protocol does not require the client and server to coordinate the cancellation in any way, the client may do it unilaterally. The client may also assume that the cancellation will take effect immediately when the server receives the RST_STREAM frame, before any other data from that TCP connection is processed.
Abuse of this feature is called a Rapid Reset attack because it relies on the ability for an endpoint to send a RST_STREAM frame immediately after sending a request frame, which makes the other endpoint start working and then rapidly resets the request. The request is canceled, but leaves the HTTP/2 connection open.
The HTTP/2 Rapid Reset attack built on this capability is simple: The client opens a large number of streams at once as in the standard HTTP/2 attack, but rather than waiting for a response to each request stream from the server or proxy, the client cancels each request immediately.
The ability to reset streams immediately allows each connection to have an indefinite number of requests in flight. By explicitly canceling the requests, the attacker never exceeds the limit on the number of concurrent open streams. The number of in-flight requests is no longer dependent on the round-trip time (RTT), but only on the available network bandwidth.
In a typical HTTP/2 server implementation, the server will still have to do significant amounts of work for canceled requests, such as allocating new stream data structures, parsing the query and doing header decompression, and mapping the URL to a resource. For reverse proxy implementations, the request may be proxied to the backend server before the RST_STREAM frame is processed. The client on the other hand paid almost no costs for sending the requests. This creates an exploitable cost asymmetry between the server and the client.
Multiple software artifacts implementing HTTP/2 are affected. This advisory was originally ingested from the swift-nio-http2 repo advisory and their original conent follows.
swift-nio-http2 specific advisory
swift-nio-http2 is vulnerable to a denial-of-service vulnerability in which a malicious client can create and then reset a large number of HTTP/2 streams in a short period of time. This causes swift-nio-http2 to commit to a large amount of expensive work which it then throws away, including creating entirely new Channels to serve the traffic. This can easily overwhelm an EventLoop and prevent it from making forward progress.
swift-nio-http2 1.28 contains a remediation for this issue that applies reset counter using a sliding window. This constrains the number of stream resets that may occur in a given window of time. Clients violating this limit will have their connections torn down. This allows clients to continue to cancel streams for legitimate reasons, while constraining malicious actors.
Severity
{
"affected": [
{
"package": {
"ecosystem": "SwiftURL",
"name": "github.com/apple/swift-nio-http2"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.28.0"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Go",
"name": "golang.org/x/net"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.17.0"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "org.apache.tomcat:tomcat-coyote"
},
"ranges": [
{
"events": [
{
"introduced": "11.0.0-M1"
},
{
"fixed": "11.0.0-M12"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "org.apache.tomcat:tomcat-coyote"
},
"ranges": [
{
"events": [
{
"introduced": "10.0.0"
},
{
"fixed": "10.1.14"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "org.apache.tomcat:tomcat-coyote"
},
"ranges": [
{
"events": [
{
"introduced": "9.0.0"
},
{
"fixed": "9.0.81"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "org.apache.tomcat:tomcat-coyote"
},
"ranges": [
{
"events": [
{
"introduced": "8.5.0"
},
{
"fixed": "8.5.94"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "org.apache.tomcat.embed:tomcat-embed-core"
},
"ranges": [
{
"events": [
{
"introduced": "11.0.0-M1"
},
{
"fixed": "11.0.0-M12"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "org.apache.tomcat.embed:tomcat-embed-core"
},
"ranges": [
{
"events": [
{
"introduced": "10.0.0"
},
{
"fixed": "10.1.14"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "org.apache.tomcat.embed:tomcat-embed-core"
},
"ranges": [
{
"events": [
{
"introduced": "9.0.0"
},
{
"fixed": "9.0.81"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "org.apache.tomcat.embed:tomcat-embed-core"
},
"ranges": [
{
"events": [
{
"introduced": "8.5.0"
},
{
"fixed": "8.5.94"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "org.eclipse.jetty.http2:http2-common"
},
"ranges": [
{
"events": [
{
"introduced": "9.3.0"
},
{
"fixed": "9.4.53"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "org.eclipse.jetty.http2:http2-common"
},
"ranges": [
{
"events": [
{
"introduced": "10.0.0"
},
{
"fixed": "10.0.17"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "org.eclipse.jetty.http2:http2-common"
},
"ranges": [
{
"events": [
{
"introduced": "11.0.0"
},
{
"fixed": "11.0.17"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "org.eclipse.jetty.http2:http2-server"
},
"ranges": [
{
"events": [
{
"introduced": "9.3.0"
},
{
"fixed": "9.4.53"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "org.eclipse.jetty.http2:http2-server"
},
"ranges": [
{
"events": [
{
"introduced": "10.0.0"
},
{
"fixed": "10.0.17"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "org.eclipse.jetty.http2:http2-server"
},
"ranges": [
{
"events": [
{
"introduced": "11.0.0"
},
{
"fixed": "11.0.17"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "org.eclipse.jetty.http2:jetty-http2-common"
},
"ranges": [
{
"events": [
{
"introduced": "12.0.0"
},
{
"fixed": "12.0.2"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "org.eclipse.jetty.http2:jetty-http2-server"
},
"ranges": [
{
"events": [
{
"introduced": "12.0.0"
},
{
"fixed": "12.0.2"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "com.typesafe.akka:akka-http-core"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "10.5.3"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "com.typesafe.akka:akka-http-core_2.13"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "10.5.3"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "com.typesafe.akka:akka-http-core_2.12"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "10.5.3"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "com.typesafe.akka:akka-http-core_2.11"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "10.1.15"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2023-44487"
],
"database_specific": {
"cwe_ids": [
"CWE-400"
],
"github_reviewed": true,
"github_reviewed_at": "2023-10-10T21:28:24Z",
"nvd_published_at": "2023-10-10T14:15:10Z",
"severity": "MODERATE"
},
"details": "## HTTP/2 Rapid reset attack\nThe HTTP/2 protocol allows clients to indicate to the server that a previous stream should be canceled by sending a RST_STREAM frame. The protocol does not require the client and server to coordinate the cancellation in any way, the client may do it unilaterally. The client may also assume that the cancellation will take effect immediately when the server receives the RST_STREAM frame, before any other data from that TCP connection is processed.\n\nAbuse of this feature is called a Rapid Reset attack because it relies on the ability for an endpoint to send a RST_STREAM frame immediately after sending a request frame, which makes the other endpoint start working and then rapidly resets the request. The request is canceled, but leaves the HTTP/2 connection open. \n\nThe HTTP/2 Rapid Reset attack built on this capability is simple: The client opens a large number of streams at once as in the standard HTTP/2 attack, but rather than waiting for a response to each request stream from the server or proxy, the client cancels each request immediately.\n\nThe ability to reset streams immediately allows each connection to have an indefinite number of requests in flight. By explicitly canceling the requests, the attacker never exceeds the limit on the number of concurrent open streams. The number of in-flight requests is no longer dependent on the round-trip time (RTT), but only on the available network bandwidth.\n\nIn a typical HTTP/2 server implementation, the server will still have to do significant amounts of work for canceled requests, such as allocating new stream data structures, parsing the query and doing header decompression, and mapping the URL to a resource. For reverse proxy implementations, the request may be proxied to the backend server before the RST_STREAM frame is processed. The client on the other hand paid almost no costs for sending the requests. This creates an exploitable cost asymmetry between the server and the client.\n\nMultiple software artifacts implementing HTTP/2 are affected. This advisory was originally ingested from the `swift-nio-http2` repo advisory and their original conent follows.\n\n## swift-nio-http2 specific advisory\nswift-nio-http2 is vulnerable to a denial-of-service vulnerability in which a malicious client can create and then reset a large number of HTTP/2 streams in a short period of time. This causes swift-nio-http2 to commit to a large amount of expensive work which it then throws away, including creating entirely new `Channel`s to serve the traffic. This can easily overwhelm an `EventLoop` and prevent it from making forward progress.\n\nswift-nio-http2 1.28 contains a remediation for this issue that applies reset counter using a sliding window. This constrains the number of stream resets that may occur in a given window of time. Clients violating this limit will have their connections torn down. This allows clients to continue to cancel streams for legitimate reasons, while constraining malicious actors.",
"id": "GHSA-qppj-fm5r-hxr3",
"modified": "2026-05-13T15:25:08Z",
"published": "2023-10-10T21:28:24Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/apple/swift-nio-http2/security/advisories/GHSA-qppj-fm5r-hxr3"
},
{
"type": "WEB",
"url": "https://github.com/h2o/h2o/security/advisories/GHSA-2m7v-gc89-fjqf"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-44487"
},
{
"type": "WEB",
"url": "https://github.com/alibaba/tengine/issues/1872"
},
{
"type": "WEB",
"url": "https://github.com/apache/apisix/issues/10320"
},
{
"type": "WEB",
"url": "https://github.com/akka/akka-http/issues/4323"
},
{
"type": "WEB",
"url": "https://github.com/varnishcache/varnish-cache/issues/3996"
},
{
"type": "WEB",
"url": "https://github.com/tempesta-tech/tempesta/issues/1986"
},
{
"type": "WEB",
"url": "https://github.com/Azure/AKS/issues/3947"
},
{
"type": "WEB",
"url": "https://github.com/opensearch-project/data-prepper/issues/3474"
},
{
"type": "WEB",
"url": "https://github.com/caddyserver/caddy/issues/5877"
},
{
"type": "WEB",
"url": "https://github.com/openresty/openresty/issues/930"
},
{
"type": "WEB",
"url": "https://github.com/dotnet/announcements/issues/277"
},
{
"type": "WEB",
"url": "https://github.com/eclipse/jetty.project/issues/10679"
},
{
"type": "WEB",
"url": "https://github.com/etcd-io/etcd/issues/16740"
},
{
"type": "WEB",
"url": "https://github.com/golang/go/issues/63417"
},
{
"type": "WEB",
"url": "https://github.com/ninenines/cowboy/issues/1615"
},
{
"type": "WEB",
"url": "https://github.com/haproxy/haproxy/issues/2312"
},
{
"type": "WEB",
"url": "https://github.com/hyperium/hyper/issues/3337"
},
{
"type": "WEB",
"url": "https://github.com/kazu-yamamoto/http2/issues/93"
},
{
"type": "WEB",
"url": "https://github.com/junkurihara/rust-rpxy/issues/97"
},
{
"type": "WEB",
"url": "https://github.com/microsoft/CBL-Mariner/pull/6381"
},
{
"type": "WEB",
"url": "https://github.com/linkerd/website/pull/1695/commits/4b9c6836471bc8270ab48aae6fd2181bc73fd632"
},
{
"type": "WEB",
"url": "https://github.com/line/armeria/pull/5232"
},
{
"type": "WEB",
"url": "https://github.com/kubernetes/kubernetes/pull/121120"
},
{
"type": "WEB",
"url": "https://github.com/apache/httpd-site/pull/10"
},
{
"type": "WEB",
"url": "https://github.com/projectcontour/contour/pull/5826"
},
{
"type": "WEB",
"url": "https://github.com/apache/trafficserver/pull/10564"
},
{
"type": "WEB",
"url": "https://github.com/nghttp2/nghttp2/pull/1961"
},
{
"type": "WEB",
"url": "https://github.com/h2o/h2o/pull/3291"
},
{
"type": "WEB",
"url": "https://github.com/grpc/grpc-go/pull/6703"
},
{
"type": "WEB",
"url": "https://github.com/nodejs/node/pull/50121"
},
{
"type": "WEB",
"url": "https://github.com/envoyproxy/envoy/pull/30055"
},
{
"type": "WEB",
"url": "https://github.com/facebook/proxygen/pull/466"
},
{
"type": "WEB",
"url": "https://github.com/akka/akka-http/pull/4325"
},
{
"type": "WEB",
"url": "https://github.com/akka/akka-http/pull/4324"
},
{
"type": "WEB",
"url": "https://github.com/netty/netty/commit/58f75f665aa81a8cbcf6ffa74820042a285c5e61"
},
{
"type": "WEB",
"url": "https://github.com/apache/tomcat/commit/944332bb15bd2f3bf76ec2caeb1ff0a58a3bc628"
},
{
"type": "WEB",
"url": "https://github.com/kazu-yamamoto/http2/commit/f61d41a502bd0f60eb24e1ce14edc7b6df6722a1"
},
{
"type": "WEB",
"url": "https://lists.w3.org/Archives/Public/ietf-http-wg/2023OctDec/0025.html"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FNA62Q767CFAFHBCDKYNPBMZWB7TWYVU"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/E72T67UPDRXHIDLO3OROR25YAMN4GGW5"
},
{
"type": "WEB",
"url": "https://martinthomson.github.io/h2-stream-limits/draft-thomson-httpbis-h2-stream-limits.html"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CLB4TW7KALB3EEQWNWCN7OUIWWVWWCG2"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BFQD3KUEMFBHPAPBGLWQC34L4OWL5HAZ"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3N4NJ7FR4X4FPZUGNTQAPSTVB2HB2Y4A"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2MBEPPC36UBVOZZNAXFHKLFGSLCMN5LI"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZLU6U2R2IC2K64NDPNMV55AUAO65MAF4"
},
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},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:A",
"type": "CVSS_V4"
}
],
"summary": "HTTP/2 Stream Cancellation Attack"
}
GHSA-QPW4-5X99-6VJP
Vulnerability from github – Published: 2026-06-25 22:15 – Updated: 2026-07-07 15:24
VLAI
Summary
golang.org/x/crypto: Invoking memory leak when rejecting channels can lead to DoS
Details
An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server process and affecting all connected users. Rejected channels are now properly removed from the connection's internal state and released for garbage collection.
Severity
6.5 (Medium)
{
"affected": [
{
"package": {
"ecosystem": "Go",
"name": "golang.org/x/crypto"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.52.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2026-39827"
],
"database_specific": {
"cwe_ids": [
"CWE-924"
],
"github_reviewed": true,
"github_reviewed_at": "2026-06-25T22:15:43Z",
"nvd_published_at": "2026-05-22T04:16:21Z",
"severity": "MODERATE"
},
"details": "An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server process and affecting all connected users. Rejected channels are now properly removed from the connection\u0027s internal state and released for garbage collection.",
"id": "GHSA-qpw4-5x99-6vjp",
"modified": "2026-07-07T15:24:35Z",
"published": "2026-06-25T22:15:43Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39827"
},
{
"type": "PACKAGE",
"url": "https://cs.opensource.google/go/x/crypto"
},
{
"type": "WEB",
"url": "https://go.dev/cl/781320"
},
{
"type": "WEB",
"url": "https://go.dev/issue/35127"
},
{
"type": "WEB",
"url": "https://groups.google.com/g/golang-announce/c/a082jnz-LvI"
},
{
"type": "WEB",
"url": "https://pkg.go.dev/vuln/GO-2026-5016"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
],
"summary": "golang.org/x/crypto: Invoking memory leak when rejecting channels can lead to DoS"
}
GHSA-QXP5-GWG8-XV66
Vulnerability from github – Published: 2025-03-12 22:06 – Updated: 2026-04-24 20:36
VLAI
Summary
HTTP Proxy bypass using IPv6 Zone IDs in golang.org/x/net
Details
Matching of hosts against proxy patterns can improperly treat an IPv6 zone ID as a hostname component. For example, when the NO_PROXY environment variable is set to "*.example.com", a request to "[::1%25.example.com]:80` will incorrectly match and not be proxied.
Severity
4.4 (Medium)
{
"affected": [
{
"package": {
"ecosystem": "Go",
"name": "golang.org/x/net"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.36.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2025-22870"
],
"database_specific": {
"cwe_ids": [
"CWE-115",
"CWE-20"
],
"github_reviewed": true,
"github_reviewed_at": "2025-03-12T22:06:40Z",
"nvd_published_at": "2025-03-12T19:15:38Z",
"severity": "MODERATE"
},
"details": "Matching of hosts against proxy patterns can improperly treat an IPv6 zone ID as a hostname component. For example, when the NO_PROXY environment variable is set to \"*.example.com\", a request to \"[::1%25.example.com]:80` will incorrectly match and not be proxied.",
"id": "GHSA-qxp5-gwg8-xv66",
"modified": "2026-04-24T20:36:12Z",
"published": "2025-03-12T22:06:40Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-22870"
},
{
"type": "PACKAGE",
"url": "https://go-review.googlesource.com/q/project:net"
},
{
"type": "WEB",
"url": "https://go.dev/cl/654697"
},
{
"type": "WEB",
"url": "https://go.dev/issue/71984"
},
{
"type": "WEB",
"url": "https://groups.google.com/g/golang-announce/c/4t3lzH3I0eI/m/b42ImqrBAQAJ"
},
{
"type": "WEB",
"url": "https://pkg.go.dev/vuln/GO-2025-3503"
},
{
"type": "WEB",
"url": "https://security.netapp.com/advisory/ntap-20250509-0007"
},
{
"type": "WEB",
"url": "http://www.openwall.com/lists/oss-security/2025/03/07/2"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L",
"type": "CVSS_V3"
}
],
"summary": "HTTP Proxy bypass using IPv6 Zone IDs in golang.org/x/net"
}
GHSA-RM3J-F69W-WQMQ
Vulnerability from github – Published: 2026-06-25 22:21 – Updated: 2026-07-07 15:26
VLAI
Summary
golang.org/x/crypto vulnerable to infinite loop on large channel writes
Details
When writing data larger than 4GB in a single Write call on an SSH channel, an integer overflow in the internal payload size calculation caused the write loop to spin indefinitely, sending empty packets without making progress. The size comparison now uses int64 to prevent truncation.
Severity
9.1 (Critical)
{
"affected": [
{
"package": {
"ecosystem": "Go",
"name": "golang.org/x/crypto"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.52.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2026-39834"
],
"database_specific": {
"cwe_ids": [
"CWE-190"
],
"github_reviewed": true,
"github_reviewed_at": "2026-06-25T22:21:40Z",
"nvd_published_at": "2026-05-22T04:16:24Z",
"severity": "CRITICAL"
},
"details": "When writing data larger than 4GB in a single Write call on an SSH channel, an integer overflow in the internal payload size calculation caused the write loop to spin indefinitely, sending empty packets without making progress. The size comparison now uses int64 to prevent truncation.",
"id": "GHSA-rm3j-f69w-wqmq",
"modified": "2026-07-07T15:26:18Z",
"published": "2026-06-25T22:21:40Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39834"
},
{
"type": "PACKAGE",
"url": "https://cs.opensource.google/go/x/crypto"
},
{
"type": "WEB",
"url": "https://go.dev/cl/781663"
},
{
"type": "WEB",
"url": "https://go.dev/issue/79567"
},
{
"type": "WEB",
"url": "https://groups.google.com/g/golang-announce/c/a082jnz-LvI"
},
{
"type": "WEB",
"url": "https://pkg.go.dev/vuln/GO-2026-5020"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H",
"type": "CVSS_V3"
}
],
"summary": "golang.org/x/crypto vulnerable to infinite loop on large channel writes"
}
GHSA-V778-237X-GJRC
Vulnerability from github – Published: 2024-12-11 22:03 – Updated: 2025-01-31 15:30
VLAI
Summary
Misuse of ServerConfig.PublicKeyCallback may cause authorization bypass in golang.org/x/crypto
Details
Applications and libraries which misuse the ServerConfig.PublicKeyCallback callback may be susceptible to an authorization bypass.
The documentation for ServerConfig.PublicKeyCallback says that "A call to this function does not guarantee that the key offered is in fact used to authenticate." Specifically, the SSH protocol allows clients to inquire about whether a public key is acceptable before proving control of the corresponding private key. PublicKeyCallback may be called with multiple keys, and the order in which the keys were provided cannot be used to infer which key the client successfully authenticated with, if any. Some applications, which store the key(s) passed to PublicKeyCallback (or derived information) and make security relevant determinations based on it once the connection is established, may make incorrect assumptions.
For example, an attacker may send public keys A and B, and then authenticate with A. PublicKeyCallback would be called only twice, first with A and then with B. A vulnerable application may then make authorization decisions based on key B for which the attacker does not actually control the private key.
Since this API is widely misused, as a partial mitigation golang.org/x/crypto@v0.31.0 enforces the property that, when successfully authenticating via public key, the last key passed to ServerConfig.PublicKeyCallback will be the key used to authenticate the connection. PublicKeyCallback will now be called multiple times with the same key, if necessary. Note that the client may still not control the last key passed to PublicKeyCallback if the connection is then authenticated with a different method, such as PasswordCallback, KeyboardInteractiveCallback, or NoClientAuth.
Users should be using the Extensions field of the Permissions return value from the various authentication callbacks to record data associated with the authentication attempt instead of referencing external state. Once the connection is established the state corresponding to the successful authentication attempt can be retrieved via the ServerConn.Permissions field. Note that some third-party libraries misuse the Permissions type by sharing it across authentication attempts; users of third-party libraries should refer to the relevant projects for guidance.
Severity
9.1 (Critical)
{
"affected": [
{
"package": {
"ecosystem": "Go",
"name": "golang.org/x/crypto"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.31.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2024-45337"
],
"database_specific": {
"cwe_ids": [
"CWE-285"
],
"github_reviewed": true,
"github_reviewed_at": "2024-12-11T22:03:04Z",
"nvd_published_at": "2024-12-12T02:02:07Z",
"severity": "CRITICAL"
},
"details": "Applications and libraries which misuse the ServerConfig.PublicKeyCallback callback may be susceptible to an authorization bypass.\n\nThe documentation for ServerConfig.PublicKeyCallback says that \"A call to this function does not guarantee that the key offered is in fact used to authenticate.\" Specifically, the SSH protocol allows clients to inquire about whether a public key is acceptable before proving control of the corresponding private key. PublicKeyCallback may be called with multiple keys, and the order in which the keys were provided cannot be used to infer which key the client successfully authenticated with, if any. Some applications, which store the key(s) passed to PublicKeyCallback (or derived information) and make security relevant determinations based on it once the connection is established, may make incorrect assumptions.\n\nFor example, an attacker may send public keys A and B, and then authenticate with A. PublicKeyCallback would be called only twice, first with A and then with B. A vulnerable application may then make authorization decisions based on key B for which the attacker does not actually control the private key.\n\nSince this API is widely misused, as a partial mitigation golang.org/x/crypto@v0.31.0 enforces the property that, when successfully authenticating via public key, the last key passed to ServerConfig.PublicKeyCallback will be the key used to authenticate the connection. PublicKeyCallback will now be called multiple times with the same key, if necessary. Note that the client may still not control the last key passed to PublicKeyCallback if the connection is then authenticated with a different method, such as PasswordCallback, KeyboardInteractiveCallback, or NoClientAuth.\n\nUsers should be using the Extensions field of the Permissions return value from the various authentication callbacks to record data associated with the authentication attempt instead of referencing external state. Once the connection is established the state corresponding to the successful authentication attempt can be retrieved via the ServerConn.Permissions field. Note that some third-party libraries misuse the Permissions type by sharing it across authentication attempts; users of third-party libraries should refer to the relevant projects for guidance.",
"id": "GHSA-v778-237x-gjrc",
"modified": "2025-01-31T15:30:43Z",
"published": "2024-12-11T22:03:04Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-45337"
},
{
"type": "WEB",
"url": "https://github.com/golang/crypto/commit/b4f1988a35dee11ec3e05d6bf3e90b695fbd8909"
},
{
"type": "PACKAGE",
"url": "https://github.com/golang/crypto"
},
{
"type": "WEB",
"url": "https://go.dev/cl/635315"
},
{
"type": "WEB",
"url": "https://go.dev/issue/70779"
},
{
"type": "WEB",
"url": "https://groups.google.com/g/golang-announce/c/-nPEi39gI4Q/m/cGVPJCqdAQAJ"
},
{
"type": "WEB",
"url": "https://pkg.go.dev/vuln/GO-2024-3321"
},
{
"type": "WEB",
"url": "https://security.netapp.com/advisory/ntap-20250131-0007"
},
{
"type": "WEB",
"url": "http://www.openwall.com/lists/oss-security/2024/12/11/2"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
"type": "CVSS_V3"
}
],
"summary": "Misuse of ServerConfig.PublicKeyCallback may cause authorization bypass in golang.org/x/crypto"
}
GHSA-VGWF-H737-FF37
Vulnerability from github – Published: 2026-06-25 22:18 – Updated: 2026-08-14 15:32
VLAI
Summary
golang.org/x/crypto: Invoking client can cause server deadlock on unexpected responses
Details
A malicious SSH peer could send unsolicited global request responses to fill an internal buffer, blocking the connection's read loop. The blocked goroutine could not be released by calling Close(), resulting in a resource leak per connection. Unsolicited global responses are now discarded.
Severity
9.1 (Critical)
{
"affected": [
{
"package": {
"ecosystem": "Go",
"name": "golang.org/x/crypto"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.52.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2026-39830"
],
"database_specific": {
"cwe_ids": [
"CWE-119",
"CWE-772"
],
"github_reviewed": true,
"github_reviewed_at": "2026-06-25T22:18:17Z",
"nvd_published_at": "2026-05-22T04:16:22Z",
"severity": "CRITICAL"
},
"details": "A malicious SSH peer could send unsolicited global request responses to fill an internal buffer, blocking the connection\u0027s read loop. The blocked goroutine could not be released by calling Close(), resulting in a resource leak per connection. Unsolicited global responses are now discarded.",
"id": "GHSA-vgwf-h737-ff37",
"modified": "2026-08-14T15:32:35Z",
"published": "2026-06-25T22:18:17Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39830"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:29455"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:41031"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:41036"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:41066"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:42146"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:42796"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:43052"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:43692"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:46885"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:47735"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:48151"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:49944"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:51033"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:52857"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:52910"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:54400"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:54531"
},
{
"type": "WEB",
"url": "https://access.redhat.com/security/cve/CVE-2026-39830"
},
{
"type": "WEB",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2480684"
},
{
"type": "PACKAGE",
"url": "https://cs.opensource.google/go/x/crypto"
},
{
"type": "WEB",
"url": "https://go.dev/cl/781640"
},
{
"type": "WEB",
"url": "https://go.dev/cl/781664"
},
{
"type": "WEB",
"url": "https://go.dev/issue/79564"
},
{
"type": "WEB",
"url": "https://groups.google.com/g/golang-announce/c/a082jnz-LvI"
},
{
"type": "WEB",
"url": "https://pkg.go.dev/vuln/GO-2026-5017"
},
{
"type": "WEB",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-39830.json"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:35833"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36199"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36207"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36319"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36625"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36648"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36651"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36796"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36797"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36808"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:37072"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:37268"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:37271"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:37272"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:37275"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:37278"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:37286"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:37296"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:37387"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:40118"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:40262"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:40945"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:40969"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:40972"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:40974"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:41019"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
"type": "CVSS_V3"
}
],
"summary": "golang.org/x/crypto: Invoking client can cause server deadlock on unexpected responses"
}
GHSA-VVGC-356P-C3XW
Vulnerability from github – Published: 2025-04-16 19:22 – Updated: 2025-05-17 18:49
VLAI
Summary
golang.org/x/net vulnerable to Cross-site Scripting
Details
The tokenizer incorrectly interprets tags with unquoted attribute values that end with a solidus character (/) as self-closing. When directly using Tokenizer, this can result in such tags incorrectly being marked as self-closing, and when using the Parse functions, this can result in content following such tags as being placed in the wrong scope during DOM construction, but only when tags are in foreign content (e.g. , , etc contexts).
Severity
{
"affected": [
{
"package": {
"ecosystem": "Go",
"name": "golang.org/x/net"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.38.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2025-22872"
],
"database_specific": {
"cwe_ids": [
"CWE-79"
],
"github_reviewed": true,
"github_reviewed_at": "2025-04-16T19:22:51Z",
"nvd_published_at": "2025-04-16T18:16:04Z",
"severity": "MODERATE"
},
"details": "The tokenizer incorrectly interprets tags with unquoted attribute values that end with a solidus character (/) as self-closing. When directly using Tokenizer, this can result in such tags incorrectly being marked as self-closing, and when using the Parse functions, this can result in content following such tags as being placed in the wrong scope during DOM construction, but only when tags are in foreign content (e.g. \u003cmath\u003e, \u003csvg\u003e, etc contexts).",
"id": "GHSA-vvgc-356p-c3xw",
"modified": "2025-05-17T18:49:25Z",
"published": "2025-04-16T19:22:51Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-22872"
},
{
"type": "WEB",
"url": "https://go.dev/cl/662715"
},
{
"type": "WEB",
"url": "https://go.dev/issue/73070"
},
{
"type": "WEB",
"url": "https://groups.google.com/g/golang-announce/c/ezSKR9vqbqA"
},
{
"type": "WEB",
"url": "https://pkg.go.dev/vuln/GO-2025-3595"
},
{
"type": "WEB",
"url": "https://security.netapp.com/advisory/ntap-20250516-0007"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N",
"type": "CVSS_V4"
}
],
"summary": "golang.org/x/net vulnerable to Cross-site Scripting"
}
GHSA-VVPX-J8F3-3W6H
Vulnerability from github – Published: 2023-02-17 14:00 – Updated: 2024-05-20 21:46
VLAI
Summary
golang.org/x/net vulnerable to Uncontrolled Resource Consumption
Details
A maliciously crafted HTTP/2 stream could cause excessive CPU consumption in the HPACK decoder, sufficient to cause a denial of service from a small number of small requests.
Severity
7.5 (High)
{
"affected": [
{
"package": {
"ecosystem": "Go",
"name": "golang.org/x/net"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.7.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2022-41723"
],
"database_specific": {
"cwe_ids": [
"CWE-400"
],
"github_reviewed": true,
"github_reviewed_at": "2023-02-17T14:00:02Z",
"nvd_published_at": "2023-02-28T18:15:00Z",
"severity": "HIGH"
},
"details": "A maliciously crafted HTTP/2 stream could cause excessive CPU consumption in the HPACK decoder, sufficient to cause a denial of service from a small number of small requests.",
"id": "GHSA-vvpx-j8f3-3w6h",
"modified": "2024-05-20T21:46:45Z",
"published": "2023-02-17T14:00:02Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-41723"
},
{
"type": "WEB",
"url": "https://go.dev/cl/468135"
},
{
"type": "WEB",
"url": "https://go.dev/cl/468295"
},
{
"type": "WEB",
"url": "https://go.dev/issue/57855"
},
{
"type": "WEB",
"url": "https://groups.google.com/g/golang-announce/c/V0aBFqaFs_E"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4BUK2ZIAGCULOOYDNH25JPU6JBES5NF2"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4MA5XS5DAOJ5PKKNG5TUXKPQOFHT5VBC"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/REMHVVIBDNKSRKNOTV7EQSB7CYQWOUOU"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RGW7GE2Z32ZT47UFAQFDRQE33B7Q7LMT"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RLBQ3A7ROLEQXQLXFDLNJ7MYPKG5GULE"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T7N5GV4CHH6WAGX3GFMDD3COEOVCZ4RI"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XX3IMUTZKRQ73PBZM4E2JP4BKYH4C6XE"
},
{
"type": "WEB",
"url": "https://pkg.go.dev/vuln/GO-2023-1571"
},
{
"type": "WEB",
"url": "https://security.gentoo.org/glsa/202311-09"
},
{
"type": "WEB",
"url": "https://vuln.go.dev/ID/GO-2023-1571.json"
},
{
"type": "WEB",
"url": "https://www.couchbase.com/alerts"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
],
"summary": "golang.org/x/net vulnerable to Uncontrolled Resource Consumption"
}
GHSA-W879-237Q-WC7R
Vulnerability from github – Published: 2026-06-25 22:18 – Updated: 2026-07-20 12:32
VLAI
Summary
golang.org/x/crypto: Invoking pathological RSA/DSA parameters may cause DoS
Details
The RSA and DSA public key parsers did not enforce size limits on key parameters. A crafted public key with an excessively large modulus or DSA parameter could cause several minutes of CPU consumption during signature verification. This could be triggered by unauthenticated clients during public key authentication. RSA moduli are now limited to 8192 bits, and DSA parameters are validated per FIPS 186-2.
Severity
7.5 (High)
{
"affected": [
{
"package": {
"ecosystem": "Go",
"name": "golang.org/x/crypto"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.52.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2026-39829"
],
"database_specific": {
"cwe_ids": [
"CWE-1284",
"CWE-347"
],
"github_reviewed": true,
"github_reviewed_at": "2026-06-25T22:18:43Z",
"nvd_published_at": "2026-05-22T04:16:22Z",
"severity": "HIGH"
},
"details": "The RSA and DSA public key parsers did not enforce size limits on key parameters. A crafted public key with an excessively large modulus or DSA parameter could cause several minutes of CPU consumption during signature verification. This could be triggered by unauthenticated clients during public key authentication. RSA moduli are now limited to 8192 bits, and DSA parameters are validated per FIPS 186-2.",
"id": "GHSA-w879-237q-wc7r",
"modified": "2026-07-20T12:32:55Z",
"published": "2026-06-25T22:18:43Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39829"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:37387"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:40118"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:40119"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:40262"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:40945"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:40969"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:40972"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:40974"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:41019"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:41031"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:41036"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:41055"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:41066"
},
{
"type": "WEB",
"url": "https://access.redhat.com/security/cve/CVE-2026-39829"
},
{
"type": "WEB",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2480681"
},
{
"type": "PACKAGE",
"url": "https://cs.opensource.google/go/x/crypto"
},
{
"type": "WEB",
"url": "https://go.dev/cl/781641"
},
{
"type": "WEB",
"url": "https://go.dev/cl/781661"
},
{
"type": "WEB",
"url": "https://go.dev/issue/79565"
},
{
"type": "WEB",
"url": "https://groups.google.com/g/golang-announce/c/a082jnz-LvI"
},
{
"type": "WEB",
"url": "https://pkg.go.dev/vuln/GO-2026-5018"
},
{
"type": "WEB",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-39829.json"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:26546"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:26547"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:29455"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:35833"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36199"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36207"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36319"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36625"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36648"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36651"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36796"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36797"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36808"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36820"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36883"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:37072"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:37123"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:37268"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:37271"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:37272"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:37278"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:37286"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:37296"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
],
"summary": "golang.org/x/crypto: Invoking pathological RSA/DSA parameters may cause DoS"
}
GHSA-X527-X647-Q7GG
Vulnerability from github – Published: 2026-06-25 22:23 – Updated: 2026-07-17 15:32
VLAI
Summary
golang.org/x/crypto: Invoking VerifiedPublicKeyCallback permissions skip enforcement
Details
Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of callback is passed other than public key, then the source-address validation would be skipped.
Severity
10.0 (Critical)
{
"affected": [
{
"package": {
"ecosystem": "Go",
"name": "golang.org/x/crypto"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.52.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2026-46595"
],
"database_specific": {
"cwe_ids": [
"CWE-303",
"CWE-863"
],
"github_reviewed": true,
"github_reviewed_at": "2026-06-25T22:23:16Z",
"nvd_published_at": "2026-05-22T04:16:25Z",
"severity": "CRITICAL"
},
"details": "Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of callback is passed other than public key, then the source-address validation would be skipped.",
"id": "GHSA-x527-x647-q7gg",
"modified": "2026-07-17T15:32:15Z",
"published": "2026-06-25T22:23:16Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46595"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-45337"
},
{
"type": "WEB",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-46595.json"
},
{
"type": "WEB",
"url": "https://pkg.go.dev/vuln/GO-2026-5023"
},
{
"type": "WEB",
"url": "https://groups.google.com/g/golang-announce/c/a082jnz-LvI"
},
{
"type": "WEB",
"url": "https://go.dev/issue/79570"
},
{
"type": "WEB",
"url": "https://go.dev/cl/781642"
},
{
"type": "PACKAGE",
"url": "https://cs.opensource.google/go/x/crypto"
},
{
"type": "WEB",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2480689"
},
{
"type": "WEB",
"url": "https://access.redhat.com/security/cve/CVE-2026-46595"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:41036"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:41019"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:40945"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:40118"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:37387"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:37275"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36820"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36808"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36797"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36796"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36651"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36648"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36207"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:33531"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:33524"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:30651"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:30650"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:26547"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:26546"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:23264"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:23262"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L",
"type": "CVSS_V3"
}
],
"summary": "golang.org/x/crypto: Invoking VerifiedPublicKeyCallback permissions skip enforcement"
}
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Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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