CVE-2025-57109 Use after free in n/a
Heap use-after-free in VTK allows attackers to execute arbitrary code or cause denial of service via malicious GLTF files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-57109?
CVE-2025-57109 is a medium-severity use after free vulnerability in n/a, published on 30 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Kitware VTK (Visualization Toolkit) 9.5.0 is vulnerable to Heap Use-After-Free in vtkGLTFImporter::ImportActors. When processing GLTF files with invalid scene node references, the application accesses string members of mesh objects that have been previously freed during actor import operations.
Weakness: CWE-416
Which versions are affected by CVE-2025-57109?
How do I fix CVE-2025-57109?
Upgrade to a fixed version.
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-2025-57109 being exploited?
There is no known exploitation of CVE-2025-57109 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2025-57109, GHSA-mm44-q4q5-7mg9, UBUNTU-CVE-2025-57109.