CVE-2026-8168

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

HIGH
7.1
CVSS Score
Published: October 19, 2026 at 01:08 PM UTC
Updated: October 19, 2026 at 09:13 PM UTC
1 product affected across 1 vendorQt

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Severity
HIGH7.1
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.1HIGHQt
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-674

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