CVE-2025-10729 Use-after-free vulnerability in Qt SVG qsvghandler.cpp allows denial of service via crafted SVG
A use-after-free flaw in the Qt SVG parser allows attackers to cause a denial of service via crafted SVG files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-10729?
CVE-2025-10729 is a critical use after free vulnerability in Qt, published on 3 Oct 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Weakness: CWE-416
Which versions are affected by CVE-2025-10729?
Linux distribution packages (23)
qt6-qtsvg AlmaLinux:10 | All versions | 6.8.1-1.el10_0.1 |
qt6-qtsvg-devel AlmaLinux:10 | All versions | 6.8.1-1.el10_0.1 |
qt6-qtsvg-examples AlmaLinux:10 | All versions | 6.8.1-1.el10_0.1 |
qt6-qtsvg Red Hat:enterprise_linux:10.0 | All versions | 0:6.8.1-1.el10_0.1 |
qt6-qtsvg-debuginfo Red Hat:enterprise_linux:10.0 | All versions | 0:6.8.1-1.el10_0.1 |
qt6-qtsvg-debugsource Red Hat:enterprise_linux:10.0 | All versions | 0:6.8.1-1.el10_0.1 |
qt6-qtsvg-devel Red Hat:enterprise_linux:10.0 | All versions | 0:6.8.1-1.el10_0.1 |
qt6-qtsvg-examples Red Hat:enterprise_linux:10.0 | All versions | 0:6.8.1-1.el10_0.1 |
qt6-qtsvg-tests-debuginfo Red Hat:enterprise_linux:10.0 | All versions | 0:6.8.1-1.el10_0.1 |
qt6-qtsvg Red Hat:enterprise_linux:10.1 | All versions | 0:6.9.1-2.el10_1.1 |
qt6-qtsvg-debuginfo Red Hat:enterprise_linux:10.1 | All versions | 0:6.9.1-2.el10_1.1 |
qt6-qtsvg-debugsource Red Hat:enterprise_linux:10.1 | All versions | 0:6.9.1-2.el10_1.1 |
qt6-qtsvg-devel Red Hat:enterprise_linux:10.1 | All versions | 0:6.9.1-2.el10_1.1 |
qt6-qtsvg-examples Red Hat:enterprise_linux:10.1 | All versions | 0:6.9.1-2.el10_1.1 |
qt6-qtsvg-tests-debuginfo Red Hat:enterprise_linux:10.1 | All versions | 0:6.9.1-2.el10_1.1 |
qt6-qtsvg Rocky Linux:10 | All versions | 0:6.8.1-1.el10_0.1 |
qt6-qtsvg Rocky Linux:10 | All versions | 0:6.9.1-2.el10_1.1 |
qt6-svg SUSE:Linux Enterprise Server 16.0 | All versions | 6.9.1-160000.3.1 |
qt6-svg-docs SUSE:Linux Enterprise Server 16.0 | All versions | 6.9.1-160000.3.1 |
qt6-svg SUSE:Linux Enterprise Server for SAP applications 16.0 | All versions | 6.9.1-160000.3.1 |
qt6-svg-docs SUSE:Linux Enterprise Server for SAP applications 16.0 | All versions | 6.9.1-160000.3.1 |
qt6-svg openSUSE:Leap 16.0 | All versions | 6.9.1-160000.3.1 |
qt6-svg-docs openSUSE:Leap 16.0 | All versions | 6.9.1-160000.3.1 |
How do I fix CVE-2025-10729?
Apply the vendor's patch.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2025-10729 being exploited?
There is no known exploitation of CVE-2025-10729 in the wild and no public exploit code.
Sources
Also known as ALSA-2025:19772, AZL-68199, AZL-68208, DEBIAN-CVE-2025-10729, GHSA-cprv-rgr4-v7vh, OESA-2026-1627 and 17 more.