ghsa-xv5c-vg59-hj7x
Vulnerability from github
Published
2025-06-11 09:30
Modified
2025-06-11 09:30
Details

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 POST request and the simultaneous handling of HTTP error responses.

This issue only affects Qt 6.9.0 and has been fixed for Qt 6.9.1.

Show details on source website


{
  "affected": [],
  "aliases": [
    "CVE-2025-5991"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-06-11T08:15:22Z",
    "severity": "LOW"
  },
  "details": "There is a \"Use After Free\" vulnerability in Qt\u0027s 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\nThis issue only affects Qt 6.9.0 and has been fixed for Qt 6.9.1.",
  "id": "GHSA-xv5c-vg59-hj7x",
  "modified": "2025-06-11T09:30:32Z",
  "published": "2025-06-11T09:30:32Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-5991"
    },
    {
      "type": "WEB",
      "url": "https://codereview.qt-project.org/c/qt/qtbase/+/643777"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
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  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


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