CVE-2025-5991 Information
Jun 12, 2025
cve
Description
There is a �se 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.
Reference
https://codereview.qt-project.org/c/qt/qtbase/+/643777
Related CNNVD
CNNVD-202506-1585 (Published: 2025-06-11)
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