CVE-2025-5991

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{"bugzilla": {"description": "qt: Use after free in Qt", "id": "2371671", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2371671"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.6", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L", "status": "draft"}, "cwe": "CWE-416", "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\nPOST request and the simultaneous handling of HTTP error responses.\nThis issue only affects Qt 6.9.0 and has been fixed for Qt 6.9.1.", "A use-after-free vulnerability has been discovered in Qt's QHttp2ProtocolHandler function. This vulnerability only affects HTTP/2 handling and is the result of a race condition between HTTP body and error response handling."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2025-5991", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "qt6", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "qt", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "qt3", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "qt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "qt3", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "qt5", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "qt5", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-06-11T07:33:41Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-5991\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-5991\nhttps://codereview.qt-project.org/c/qt/qtbase/+/643777"], "statement": "The specific versions of Qt affected are not shipped in RedHat products.", "threat_severity": "Moderate"}

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