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VULNERABILITIES

CVE-2026-107457 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://codereview.qt-project.org/c/qt/qtmqtt/+/762286 TQtC
https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-107457: TQtC

Weakness Enumeration

CWE-IDCWE NameSource
CWE-129Improper Validation of Array IndexTQtC
CWE-787Out-of-bounds WriteTQtC

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-107457
NVD Published Date:
Nov 2, 2026
NVD Last Modified:
Nov 2, 2026
Source:
TQtC
CVE-2026-107457 Details - Not Deferred