CVE-2025-10729 CRITICAL

CVE-2025-10729: Use-after-free vulnerability in Qt SVG qsvghandler.cpp allows denial of service via crafted SVG

Vendor The Qt Company
Product Qt
Weakness CWE-416
Published October 3, 2025
Last update December 19, 2025

CVSS base score

9.4/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

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/S:P/RE:H/U:Red

What the vulnerability does

01Description

The module will parse a <pattern> node which is not a child of a structural node. The node will be deleted after creation but might be accessed later leading to a use after free.

Key dates

02Disclosure timeline

October 3, 2025 CVE published
December 19, 2025 Record updated