# CVE-2025-57109: vtk9: Kitware VTK (Visualization Toolkit) 9.5.0 is vulnerable to Heap Use-After-Free in vtkGLTFImporter::ImportActors

CVE-2025-57109 is fixed in vtk9 on 1 platform by DEBIAN-CVE-2025-57109 (version 9.6.2+ds-1), released October 30, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2025-57109
- Priority: Routine
- CVSS: 6.5 (medium)
- EPSS: 0.0028
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 30, 2025

## 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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | vtk9 Debian 14 | 9.6.2+ds-1 | [DEBIAN-CVE-2025-57109](https://patchblox.com/security/data/fix/linux/debian-cve-2025-57109.md) | Oct 30, 2025 |

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Data as of 2026-11-09T01:18:40Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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