CVE-2026-105923

Null-pointer dereference in QTriangulator reachable through VectorImage

State: Published
Severity: 4.0 Medium
Published: Oct 21, 2026
Updated: Oct 29, 2026
Reserved: Oct 6, 2026

Description

A malicious SVG can trigger an integer overflow which in turn triggers a null-pointer dereference in VectorImage QML Type.

Scores

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

Weaknesses

CWE-476 NULL Pointer Dereference
CWE-190 Integer Overflow or Wraparound

Affected Products

Product	Versions
Qtqt	6.8.0 to before 6.8.9Affected 6.9.0 to before 6.11.3Affected

References

Qt Wiki: List of known vulnerabilities in Qt productsvendor-advisory
dev patch (qtbase)patch

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