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CVE-2026-107457

Memory corruption vulnerability in QMqttClient impacts Qt MQTT

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.

CVSS 4.0 · 2.3 Low EPSS < 1% KEV · Not listed
Vendors
Qt
Products
Qt Qtmqtt