Uncontrolled recursion in Qt SVG module

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2025-10728
StatePUBLISHED
AssignerTQtC
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-10-03 16:16:16 UTC
Updated2026-10-08 22:10:00 UTC
DescriptionWhen the module renders a Svg file that contains a <pattern> element, it might end up rendering it recursively leading to stack overflow DoS

Risk And Classification

Primary CVSS: v4.0 9.4 CRITICAL from a59d8014-47c4-4630-ab43-e1b13cbe58e3

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:P/AU:X/R:X/V:X/RE:H/U:Red

EPSS: 0.002180000 probability, percentile 0.112300000 (date 2026-10-10)

Problem Types: CWE-674 | CWE-674 CWE-674 Uncontrolled Recursion

VersionSourceTypeScoreSeverityVector
4.0a59d8014-47c4-4630-ab43-e1b13cbe58e3Secondary9.4CRITICALCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/C...
4.0CNACVSS9.4CRITICALCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/S:P/R...

CVSS v4.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Sub Conf.
High
Sub Integrity
High
Sub Availability
High

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:P/AU:X/R:X/V:X/RE:H/U:Red

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Qt Qt affected 6.7.0 6.8.4 python Not specified
CNA Qt Qt affected 6.9.0 6.9.2 python Not specified

References

ReferenceSourceLinkTags
codereview.qt-project.org/c/qt/qtsvg/+/654200 a59d8014-47c4-4630-ab43-e1b13cbe58e3 codereview.qt-project.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: OSS-Fuzz (en)

CNA: Oddmund Skogen (en)

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