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CVE-2025-57108 — Vulnerability in vtk — CVE Details

CRITICAL

Published October 31, 2025Updated May 20, 2026Source: osv

Summary

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.

Advisory Timeline

  • First published October 31, 2025 (346 days ago).
  • Last revised May 20, 2026 — 201 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

pip
Update vtk to 9.5.1 or later
pip install "vtk>=9.5.1"

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: pypi (1).

PackageEcosystemAffectedFixed In
vtk
pypi
8.1.0, 8.1.1, 8.1.2, 9.0.0 (+15 more)9.5.1

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.8 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Frequently Asked Questions

What is CVE-2025-57108?
This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.8/10).
How do I check if my project is affected by CVE-2025-57108?
CVE-2025-57108 affects vtk. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2025-57108 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.8

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

PYSEC-2025-226

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