Vulnerability in Qt

[ Description ]Official description

An integer truncation vulnerability in the QTextCodec conversion functions of the Qt 5 Core Compatibility APIs module impacts the Qt Framework. An application using the affected functionality could crash.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• BSI CERT-Bund3 Nov 2026WID-SEC-2026-4329

  QT: Multiple vulnerabilities allow denial of service Translated from German

  Risk mediumCVE-2026-110944CVE-2026-107479

[ References ]References

• codereview.qt-project.org/c/qt/qt5compat/+/763226
• wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products