{
  "schema_version": "1.5.0",
  "id": "CURL-CVE-2025-4947",
  "aliases": [
    "CVE-2025-4947"
  ],
  "summary": "QUIC certificate check skip with wolfSSL",
  "modified": "2026-04-25T17:48:46.00Z",
  "database_specific": {
    "package": "curl",
    "affects": "both",
    "URL": "https://curl.se/docs/CVE-2025-4947.json",
    "www": "https://curl.se/docs/CVE-2025-4947.html",
    "issue": "https://hackerone.com/reports/3150884",
    "CWE": {
      "id": "CWE-295",
      "desc": "Improper Certificate Validation"
    },
    "award": {
      "amount": "2540",
      "currency": "USD"
    },
    "last_affected": "8.13.0",
    "severity": "Medium"
  },
  "published": "2025-05-28T08:00:00.00Z",
  "affected": [
    {
      "ranges": [
        {
           "type": "SEMVER",
           "events": [
             {"introduced": "8.8.0"},
             {"fixed": "8.14.0"}
           ]
        },
        {
           "type": "GIT",
           "repo": "https://github.com/curl/curl.git",
           "events": [
             {"introduced": "4c46e277b2a0c0489de0e0fcb91f315c62f0369c"},
             {"fixed": "a85f1df4803bbd272905c9e712537b41afeafbd3"}
           ]
        }
      ],
      "versions": [
        "8.13.0", "8.12.1", "8.12.0", "8.11.1", "8.11.0", "8.10.1", "8.10.0", 
        "8.9.1", "8.9.0", "8.8.0"
      ]
    }
  ],
  "credits": [
    {
      "name": "Hiroki Kurosawa",
      "type": "FINDER"
    },
    {
      "name": "Stefan Eissing",
      "type": "REMEDIATION_DEVELOPER"
    }
  ],
  "details": "libcurl accidentally skips the certificate verification for QUIC connections\nwhen connecting to a host specified as an IP address in the URL. Therefore, it\ndoes not detect impostors or man-in-the-middle attacks."
}