Low severityNVD Advisory· Published Nov 2, 2026

CVE-2026-107457

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.

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Affected products

Qt/Qt SVG modulellm-fuzzy

Patches

Vulnerability mechanics

References

codereview.qt-project.org/c/qt/qtmqtt/+/762286nvd
wiki.qt.io/List_of_known_vulnerabilities_in_Qt_productsnvd

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