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Alerts This Week
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Debian 11: Important Race Condition in qtbase-opensource-src DLA-4387-1

debian lts
Calendar Grey November 29, 2025
Dist Debian Esm H88
Race condition found in Qt framework could lead to security breaches. Update qtbase-opensource-src for Debian LTS.
A race condition was discovered in Qt, a cross-platform C++ application framework
Topics%20covered

Topics Covered

security advisory debian important race condition qtbase-opensource-src http2 connection

Summary

For Debian 11 bullseye, this problem has been fixed in version
5.15.2+dfsg-9+deb11u2.

We recommend that you upgrade your qtbase-opensource-src packages.

For the detailed security status of qtbase-opensource-src please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/qtbase-opensource-src

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS


Severity
important
Lowest
Low
Medium
High
Critical

Package: qtbase-opensource-src
Version: 5.15.2+dfsg-9+deb11u2
CVE ID: CVE-2024-39936
Debian Bug: 1076293

Topics%20covered

Topics Covered

security advisory debian important race condition qtbase-opensource-src http2 connection

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