Use After Free in The Qt Company

CVE-2025-5991

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…

Vulnerability class: Use-After-Free

EPSS: 0.001 (2.1th percentile) — read the EPSS interpretation.