7.1

CVE-2026-8168: qt Uncontrolled Recursion

CVSS: 7.1v4.0HighAwaiting analysis
AliasesDEBIAN-CVE-2026-8168
Published 19-10-2026Last modified 19-10-2026
Open JSON

Vulnerability summary

CVE-2026-8168 is a high (CVSS 7.1) Uncontrolled Recursion vulnerability in qt.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.1/10
010
High · v4.0 (CVE.org)
EPSS score
Not scored
0%100%
No EPSS score yet
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 19-10-2026
    PublishedVulnerability first disclosed.
  2. 19-10-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian2 products
  • qt6-svgAll versions (No fix recorded) | < 6.11.2-2
  • qtsvg-opensource-srcAll versions (No fix recorded)
Qt1 product
  • qt≥ 4.1.0, < 6.8.9 | ≥ 6.9.0, < 6.11.2

2 vendors · 3 products

References

12 links
Show all 12 references