CVE-2025-57108: Kitware VTK · Use After Free
Source CVE Database V5
Not known to be exploited · CVSS 9.8 Critical · fixed in 9.5.1 : patch affected systems as a priority.
Data as of 26 Oct 2026, 14:05 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 33% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 9.5.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 31 Oct 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
AI-suggested
- Monitor Kitware and related software vendor channels for official patches or updates addressing CVE-2025-57108 and apply them promptly upon release.
- Implement strict input validation and sanitization for GLTF files before processing, including rejecting or quarantining files with corrupted or suspicious mesh references.
- Employ runtime protections such as memory safety tools (e.g., AddressSanitizer) during development and testing to detect use-after-free conditions.
- Restrict the processing of GLTF files to trusted sources and avoid automatic loading of untrusted files in applications using VTK.
- Conduct code audits and penetration testing focused on GLTF handling components within custom or third-party software integrating VTK.
- Utilize application sandboxing or containerization to limit the impact of potential exploitation.
- Maintain up-to-date backups and incident response plans tailored to visualization and engineering software environments.
Description
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.