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.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||
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| qt | Qt | unaffected |
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Advisories
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Fixes
Solution
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Workaround
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References
History
Mon, 02 Nov 2026 08:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Memory corruption vulnerability in QMqttClient impacts Qt MQTT | |
| First Time appeared |
Qt
Qt qt Qt qtmqtt |
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| Weaknesses | CWE-129 CWE-787 |
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| CPEs | cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:* cpe:2.3:a:qt:qtmqtt:*:*:*:*:*:*:*:* |
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| Vendors & Products |
Qt
Qt qt Qt qtmqtt |
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| References |
| |
| Metrics |
cvssV4_0
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Projects
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MITRE
Status: PUBLISHED
Assigner: Qt
Published:
Updated: 2026-11-02T08:38:12.500Z
Reserved: 2026-10-08T05:22:08.839Z
Link: CVE-2026-107457
Vulnrichment
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NVD
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Redhat
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OpenCVE Enrichment
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