All vulnerabilities
CVE-2026-105923

Qt: Null-pointer dereference in QTriangulator reachable through VectorImage

qt Qt
CVSS
4.0Medium
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.12%Chance of exploitation activity in the next 30 days, higher than 1% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in6.8.9Also 6.11.3CVE List
Published21 Oct 2026Updated 21 Oct 2026CVE List

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Description

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

Text from CVE List

Affected versions 2

  • Qtaffected: 6.8.0 before 6.8.9CVE List
  • Qtaffected: 6.9.0 before 6.11.3CVE List

References 2