data/osv/GO-2026-4440.json

{
  "schema_version": "1.3.1",
  "id": "GO-2026-4440",
  "modified": "0001-01-01T00:00:00Z",
  "published": "0001-01-01T00:00:00Z",
  "aliases": [
    "CVE-2025-47911"
  ],
  "summary": "Quadratic parsing complexity in golang.org/x/net/html",
  "details": "The html.Parse function in golang.org/x/net/html has quadratic parsing complexity when processing certain inputs, which can lead to denial of service (DoS) if an attacker provides specially crafted HTML content.",
  "affected": [
    {
      "package": {
        "name": "golang.org/x/net",
        "ecosystem": "Go"
      },
      "ranges": [
        {
          "type": "SEMVER",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.45.0"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "imports": [
          {
            "path": "golang.org/x/net/html",
            "symbols": [
              "Parse",
              "ParseFragment",
              "ParseFragmentWithOptions",
              "ParseWithOptions",
              "parser.parse"
            ]
          }
        ]
      }
    }
  ],
  "references": [
    {
      "type": "FIX",
      "url": "https://go.dev/cl/709876"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/golang/vulndb/issues/4440"
    },
    {
      "type": "WEB",
      "url": "https://groups.google.com/g/golang-announce/c/jnQcOYpiR2c"
    }
  ],
  "credits": [
    {
      "name": "Guido Vranken"
    },
    {
      "name": "Jakub Ciolek"
    }
  ],
  "database_specific": {
    "url": "https://pkg.go.dev/vuln/GO-2026-4440",
    "review_status": "REVIEWED"
  }
}