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vulnerabilityCVE-2025-5991
Name
CVE-2025-5991
Source
NVD ( link)Debian ( link)
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.
Published Date
Updated Date
Workaround
-
Advisories

Analysis#


Affected Component
Analysis
qt6base
Exploitable

Vulnerability Ratings#


2.1
CVSSv4
NaN
other

Others affected components#


Name
Project
Project Version
Version
Status
buildroot
2025.02.x
bebdfd54917e25d1c100e6bd9f5dd53c2e645fd8
Not Affected
buildroot
2025.02.x
6.8.4
Not Affected