High severity · published Oct 19, 2026
CVE-2026-8168
Denial-of-service vulnerability in the SVG parser and renderer impacts Qt
7.1
CVSS
0.4%
EPSS
No
On KEV
Description
Uncontrolled recursion in the SVG parser and renderer of the Qt SVG module (QtSvg) in Qt Group Qt allows attackers to cause a denial of service (application crash via stack exhaustion) via a crafted SVG file with deeply nested elements.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 35% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
QT
qt · qt
4.1.0 before 6.8.9; 6.9.0 before 6.11.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-8168
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-8168
codereview.qt-project.org
https://codereview.qt-project.org/c/qt/qtsvg/+/730501
codereview.qt-project.org
https://codereview.qt-project.org/c/qt/qtsvg/+/730590
codereview.qt-project.org
https://codereview.qt-project.org/c/qt/qtsvg/+/730591
codereview.qt-project.org
https://codereview.qt-project.org/c/qt/qtsvg/+/730892
codereview.qt-project.org
https://codereview.qt-project.org/c/qt/qtsvg/+/731257
codereview.qt-project.org
https://codereview.qt-project.org/c/qt/qtsvg/+/733245
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