[ CVE-2026-107457 · Published 2 Nov 2026 ]
Vulnerability in Qt
CVSS 2.3
EPSS <1%No fix listed yet
[ Description ]Official description
A memory corruption vulnerability in the QMqttClient class of the Qt MQTT module. Under certain MQTT 5 connection settings between client and server, QMqttClient may corrupt memory, which can cause the application to 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.