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CRITICAL9.8

PYSEC-2025-226

Quick fix

PYSEC-2025-226 — vtk: upgrade to the fixed version with the command below.

pip install --upgrade 'vtk>=9.5.1'

Details

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.

Are you affected?

Enter the version of the package you're using.

Affected packages

PyPI/vtk
Introduced in: 0Fixed in: 9.5.1
Fixpip install --upgrade 'vtk>=9.5.1'

References