{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2025-5991",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-5991",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-06-11T07:33:41.071Z",
    "updatedAt": "2026-07-29T08:33:06.935Z",
    "importedAt": "2026-10-24T01:57:39.058Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "Use after free in QHttp2ProtocolHandler",
      "summary": "There is a \"Use After Free\" vulnerability in Qt's QHttp2ProtocolHandler in the QtNetwork module. This only affects HTTP/2 handling, HTTP handling is not affected by this at all. This happens due to a race condition between how QHttp2Stream uploads the body of a\n POST request and the simultaneous handling of HTTP error responses.\n\n\n\nThis issue only affects Qt 6.9.0 and has been fixed for Qt 6.9.1.",
      "affected": [
        {
          "vendor": "Qt",
          "product": "Qt",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "python",
              "lessThan": "6.9.0"
            },
            {
              "version": "6.9.0",
              "status": "affected"
            },
            {
              "version": "6.9.1",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  }
}