PT-2025-40529 · Qt Company+1 · Qt 6.7.0+2

Oddmund Skogen

+1

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Published

2025-09-01

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Updated

2026-03-20

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CVE-2025-10729

CVSS v4.0

9.4

Critical

VectorAV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/S:P/RE:H/U:Red
Name of the Vulnerable Software and Affected Versions Qt versions 6.7.0 through 6.9.0 Qt6-svg qtsvg-opensource-src
Description The issue is a use-after-free condition within the Qt framework, specifically related to the parsing of SVG files. The renderPattern() function and the SVG module are affected. The vulnerability occurs when a node is deleted after creation but is subsequently accessed, leading to a use-after-free scenario. This could allow an attacker to execute arbitrary code or cause a denial of service. The vulnerability impacts applications utilizing the Qt SVG module.
Recommendations Update to Qt version 6.9.3. For systems using qt6-svg, apply the available security patch. For systems using qtsvg-opensource-src, apply the available security patch.

Fix

RCE

DoS

Use After Free

Weakness Enumeration

Related Identifiers

ALSA-2025:19772
AZL-68199
AZL-68208
BDU:2025-13426
CVE-2025-10729
OESA-2026-1645
OESA-2026-1646
OESA-2026-1647
OESA-2026-1648
OESA-2026-1649
OPENSUSE-SU-2025:15630-1
RHSA-2025:19772
RHSA-2025:21037

Affected Products

Debian
Qt 6.7.0
Qt 6.9.0