{
  "schema_version": "1.5.0",
  "id": "CURL-CVE-2024-0853",
  "aliases": [
    "CVE-2024-0853"
  ],
  "summary": "OCSP verification bypass with TLS session reuse",
  "modified": "2026-04-25T17:48:46.00Z",
  "database_specific": {
    "package": "curl",
    "affects": "both",
    "URL": "https://curl.se/docs/CVE-2024-0853.json",
    "www": "https://curl.se/docs/CVE-2024-0853.html",
    "issue": "https://hackerone.com/reports/2298922",
    "CWE": {
      "id": "CWE-299",
      "desc": "Improper Check for Certificate Revocation"
    },
    "award": {
      "amount": "540",
      "currency": "USD"
    },
    "last_affected": "8.5.0",
    "severity": "Low"
  },
  "published": "2024-01-31T08:00:00.00Z",
  "affected": [
    {
      "ranges": [
        {
           "type": "SEMVER",
           "events": [
             {"introduced": "8.5.0"},
             {"fixed": "8.6.0"}
           ]
        },
        {
           "type": "GIT",
           "repo": "https://github.com/curl/curl.git",
           "events": [
             {"introduced": "395365ad2d9a6c3f1a35d5e268a6af2824129832"},
             {"fixed": "c28e9478cb2548848eca9b765d0d409bfb18668c"}
           ]
        }
      ],
      "versions": [
        "8.5.0"
      ]
    }
  ],
  "credits": [
    {
      "name": "Hiroki Kurosawa",
      "type": "FINDER"
    },
    {
      "name": "Daniel Stenberg",
      "type": "REMEDIATION_DEVELOPER"
    }
  ],
  "details": "curl inadvertently kept the SSL session ID for connections in its cache even\nwhen the verify status (*OCSP stapling*) test failed. A subsequent transfer to\nthe same hostname could then succeed if the session ID cache was still fresh,\nwhich then skipped the verify status check."
}