What is CVE-2025-57106?

CVE-2025-57106 is a high-severity vulnerability in Vtk, classified under Heap-based Buffer Overflow. CVSS score: 7.5/10. Published 2025-10-31.

How severe is CVE-2025-57106?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Vtk

CVE-2025-57106

Kitware VTK (Visualization Toolkit) up to 9.5.0 is vulnerable to Buffer Overflow in vtkGLTFDocumentLoader. The vulnerability occurs in the BufferDataExtractionWorker template function when processing GLTF accessor data.

Vulnerability class: Buffer Overflow

Published 2025-10-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.004 (35.0th percentile), scored 2026-10-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 35.0% 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)

CWE-122 — Heap-based Buffer Overflow

References

gitlab.kitware.com/vtk/vtk/-/issues/19733 (Exploit, Third Party Advisory, Issue Tracking)
gitlab.kitware.com/vtk/vtk/-/issues/19734 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2025-57106?: CVE-2025-57106 is a high-severity vulnerability in Vtk, classified under Heap-based Buffer Overflow. CVSS score: 7.5/10. Published 2025-10-31.
How severe is CVE-2025-57106?: High severity. CVSS v3 base score is 7.5 out of 10.