Medium severity · published Oct 21, 2026
CVE-2026-105923
Null-pointer dereference in QTriangulator reachable through VectorImage
4.0
CVSS
0.1%
EPSS
No
On KEV
Description
A malicious SVG can trigger an integer overflow which in turn triggers a null-pointer dereference in VectorImage QML Type.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 2% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
QT
Qt · qt
6.8.0 before 6.8.9; 6.9.0 before 6.11.3 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-105923
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-105923
codereview.qt-project.org
https://codereview.qt-project.org/c/qt%2Fqtbase/+/762279
wiki.qt.io
https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products
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