CVE-2026-105924

NULL pointer dereference vulnerability in QCborValue to JSON conversion impacts Qt

State: Published
Severity: 4.3 Medium
Published: Oct 30, 2026
Updated: Oct 30, 2026
Reserved: Oct 6, 2026

Description

A NULL pointer dereference vulnerability in the Qt QCborValue to JSON conversion of the Qt Core module.

Scores

CVSS	Score	Vector	Source
4.0	4.3 Medium	CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/R:U/RE:L/U:Green	Qt

Weaknesses

CWE-476 NULL Pointer Dereference

Affected Products

Product	Versions
Qtqt	5.12.0 through 6.8.9Affected 6.9.0 through 6.11.2Affected 6.12.0 to before 6.12.1Affected before 5.12.0Not affected

References

https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-105924:vendor-advisory
https://codereview.qt-project.org/c/qt/qtbase/+/766809patch

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