Bug 2564735 (CVE-2026-107457) - CVE-2026-107457 qt: qt: Denial of Service via memory corruption in QMqttClient
Summary: CVE-2026-107457 qt: qt: Denial of Service via memory corruption in QMqttClient
Keywords:
Status: NEW
Alias: CVE-2026-107457
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2565252 2565253
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-11-02 08:52 UTC by OSIDB Bzimport
Modified: 2026-11-02 16:24 UTC (History)
0 users

Fixed In Version:
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Description OSIDB Bzimport 2026-11-02 08:52:37 UTC 
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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