CVE-2026-8168
Uncontrolled recursion in the SVG parser and renderer of the Qt SVG module (QtSvg) in Qt Group Qt…
- Risk score
- 54/100
- CVSS
- 7.1 v4.0
- Exploit chance (30 days)
- 0.4%
- Published
- 19 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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.
- Affected
- See advisory
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 7.1 high
- Remotely exploitable without logging in
References
- 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
- https://codereview.qt-project.org/c/qt/qtsvg/+/748966
- https://codereview.qt-project.org/c/qt/qtsvg/+/756512
Original 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.
Last activity 19 Oct 2026. Patch Forecast updates every hour.