{
  "schema_version": "1.3.1",
  "id": "GO-2025-4134",
  "modified": "0001-01-01T00:00:00Z",
  "published": "0001-01-01T00:00:00Z",
  "aliases": [
    "CVE-2025-58181",
    "GHSA-j5w8-q4qc-rx2x"
  ],
  "summary": "Unbounded memory consumption in golang.org/x/crypto/ssh",
  "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.",
  "affected": [
    {
      "package": {
        "name": "golang.org/x/crypto",
        "ecosystem": "Go"
      },
      "ranges": [
        {
          "type": "SEMVER",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.45.0"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "imports": [
          {
            "path": "golang.org/x/crypto/ssh",
            "symbols": [
              "NewServerConn",
              "parseGSSAPIPayload"
            ]
          }
        ]
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://groups.google.com/g/golang-announce/c/w-oX3UxNcZA"
    },
    {
      "type": "FIX",
      "url": "https://go.dev/cl/721961"
    },
    {
      "type": "REPORT",
      "url": "https://go.dev/issue/76363"
    }
  ],
  "credits": [
    {
      "name": "Jakub Ciolek"
    }
  ],
  "database_specific": {
    "url": "https://pkg.go.dev/vuln/GO-2025-4134",
    "review_status": "REVIEWED"
  }
}