GHSA-J5W8-Q4QC-RX2X

Vulnerability from github – Published: 2025-11-19 23:01 – Updated: 2025-11-19 23:01
VLAI?
Summary
golang.org/x/crypto/ssh allows an attacker to cause unbounded memory consumption
Details

SSH servers parsing GSSAPI authentication requests do not validate the number of mechanisms specified in the request, allowing an attacker to cause unbounded memory consumption.

Severity ?
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "golang.org/x/crypto"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.45.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-58181"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-770"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-11-19T23:01:20Z",
    "nvd_published_at": "2025-11-19T21:15:50Z",
    "severity": "MODERATE"
  },
  "details": "SSH servers parsing GSSAPI authentication requests do not validate the number of mechanisms specified in the request, allowing an attacker to cause unbounded memory consumption.",
  "id": "GHSA-j5w8-q4qc-rx2x",
  "modified": "2025-11-19T23:01:20Z",
  "published": "2025-11-19T23:01:20Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-58181"
    },
    {
      "type": "WEB",
      "url": "https://go.dev/cl/721961"
    },
    {
      "type": "WEB",
      "url": "https://go.dev/issue/76363"
    },
    {
      "type": "WEB",
      "url": "https://groups.google.com/g/golang-announce/c/w-oX3UxNcZA"
    },
    {
      "type": "WEB",
      "url": "https://pkg.go.dev/vuln/GO-2025-4134"
    }
  ],
  "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:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "golang.org/x/crypto/ssh allows an attacker to cause unbounded memory consumption"
}


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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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