CVE-2026-8168

high

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.

References

https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-8168:

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-104329

https://codereview.qt-project.org/c/qt/qtsvg/+/756512

https://codereview.qt-project.org/c/qt/qtsvg/+/748966

https://codereview.qt-project.org/c/qt/qtsvg/+/743488

https://codereview.qt-project.org/c/qt/qtsvg/+/738811

https://codereview.qt-project.org/c/qt/qtsvg/+/733245

https://codereview.qt-project.org/c/qt/qtsvg/+/731257

https://codereview.qt-project.org/c/qt/qtsvg/+/730892

https://codereview.qt-project.org/c/qt/qtsvg/+/730591

https://codereview.qt-project.org/c/qt/qtsvg/+/730590

https://codereview.qt-project.org/c/qt/qtsvg/+/730501

Details

Source: Mitre, NVD

Published: 2026-10-19

Updated: 2026-10-19

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Severity: Medium

CVSS v4

Base Score: 7.1

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Severity: High

EPSS

EPSS: 0.00404

Detections

Analytics