Use After Free in Vtk
CVE-2025-57108
Kitware VTK (Visualization Toolkit) through 9.5.0 contains a heap use-after-free vulnerability in vtkGLTFDocumentLoader. The vulnerability manifests during mesh object copy operations where vector members are accessed after the underlying memory has been freed, specifically when handling GLTF files with corrupted or invalid mesh reference structures.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (28.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Weakness classification (CWE)
References
- gitlab.kitware.com/vtk/vtk/-/issues/19736 (Exploit, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2025-57108?
- CVE-2025-57108 is a critical-severity vulnerability in Vtk, classified under Use After Free. CVSS score: 9.8/10. Published 2025-10-31.
- How severe is CVE-2025-57108?
- Critical severity. CVSS v3 base score is 9.8 out of 10.