CVE-2026-8168
highpriority · track · 0EPSS 0.004 · 35 %ileDEEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.9–7.1
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (4)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-4037QT: Schwachstelle ermöglicht Denial of ServiceDeutsch2026-10-19csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in QT ausnutzen, um einen Denial of Service Angriff durchzuführen.
sources
Which sources assert this record, and when.
references (11) nvd
External citations — patches, advisories, analysis.
- https://codereview.qt-project.org/c/qt/qtsvg/+/730501
- https://codereview.qt-project.org/c/qt/qtsvg/+/730590
- https://codereview.qt-project.org/c/qt/qtsvg/+/730591
- https://codereview.qt-project.org/c/qt/qtsvg/+/730892
- https://codereview.qt-project.org/c/qt/qtsvg/+/731257
- https://codereview.qt-project.org/c/qt/qtsvg/+/733245
- https://codereview.qt-project.org/c/qt/qtsvg/+/738811
- https://codereview.qt-project.org/c/qt/qtsvg/+/743488
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