CVE-2026-8168

Denial-of-service vulnerability in the SVG parser and renderer impacts Qt

Published Oct 19, 2026 CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Weaknesses CWE-770
References
Metrics threat_severity

None

cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'}

threat_severity

Moderate

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Denial-of-service vulnerability in the SVG parser and renderer impacts Qt
First Time appeared Qt
Qt qt
Qt qtsvg
Weaknesses CWE-674
CPEs cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*
cpe:2.3:a:qt:qtsvg:*:*:*:*:*:*:*:*
Vendors & Products Qt
Qt qt
Qt qtsvg
References
Metrics cvssV4_0

{'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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Qt
Published
Updated
Oct 19, 2026, 2:27 PM
Reserved
May 8, 2026, 12:42 PM
Status
Awaiting Analysis
Published
Oct 19, 2026, 2:17 PM
Modified
Oct 19, 2026, 9:13 PM
Severity
Moderate
Public date
Oct 19, 2026, 1:08 PM