VULNERABILITY

Debian: CVE-2025-5991: qt6-base, qtbase-opensource-src, qtbase-opensource-src-gles -- security update

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Debian: CVE-2025-5991: qt6-base, qtbase-opensource-src, qtbase-opensource-src-gles -- security update

Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
06/11/2025
Created
06/14/2025
Added
06/13/2025
Modified
06/13/2025

Description

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.

Solution(s)

  • no-fix-debian-deb-package

References

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