Hi,

The following vulnerability was published for vtk9.

CVE-2025-57109[0]:
| 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.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2025-57109
https://www.cve.org/CVERecord?id=CVE-2025-57109
[1] https://gitlab.kitware.com/vtk/vtk/-/issues/19735

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore