CVE-2025-57109

Kitware VTK (Visualization Toolkit) 9.5.0 is vulnerable to Heap Use-After-Free in vtkGLTFImporter...

6.5 MediumFix available

CVE-2025-57109 is a medium vulnerability (CVSS 6.5) in vtk9, published October 30, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.28%, the 20th percentile. Fixed in vtk9 9.6.2+ds-1.

What does this mean?

Severity: 6.5 MediumCVSS 3.1, CVE List
Exploit chance: 0.28%EPSS, 20th percentile
Exploitation: None knownNot on CISA’s or ENISA’s lists
Fixed in: 9.6.2+ds-1vtk9 +7 more

Description

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: None
Availability: Low

Exploit likelihood

0.28%Up 0.2 points since Oct 31, 2025

Affected packages

Affected packages
Package	Affected	Fixed
`vtk9` Debian:12	All versions, plus listed versions 9.1.0+really9.1.0+dfsg2-59.1.0+really9.1.0+dfsg2-5+deb12u19.1.0+really9.1.0+dfsg2-69.1.0+really9.1.0+dfsg2-79.1.0+really9.1.0+dfsg2-7.1 Show 45 moreShow less 9.1.0+really9.1.0+dfsg2-89.2.6+dfsg1-1+exp19.2.6+dfsg1-1+exp29.3.0+dfsg1-19.3.0+dfsg1-1.19.3.0+dfsg1-1~exp19.3.0+dfsg1-1~exp29.3.0+dfsg1-1~exp39.3.0+dfsg1-1~exp49.3.0+dfsg1-29.3.0+dfsg1-39.3.0+dfsg1-3+hurd.19.3.0+dfsg1-49.3.0+dfsg1-4+m68k9.3.0+dfsg1-4.1+hurd.19.3.0+dfsg1-59.3.0+dfsg1-69.3.0+dfsg1-79.5.2+dfsg1-1~exp19.5.2+dfsg2-19.5.2+dfsg2-1~exp19.5.2+dfsg2-1~exp29.5.2+dfsg2-1~exp39.5.2+dfsg2-1~exp49.5.2+dfsg2-29.5.2+dfsg2-39.5.2+dfsg2-49.5.2+dfsg3-19.5.2+dfsg3-29.5.2+dfsg3-39.5.2+dfsg3-49.5.2+dfsg3-59.5.2+dfsg3-69.5.2+dfsg3-79.5.2+dfsg3-89.5.2+dfsg4-19.5.2+dfsg4-29.5.2+dfsg4-39.5.2+dfsg4-49.5.2+dfsg4-59.6.2+dfsg1-1exp19.6.2+dfsg1-1exp29.6.2+dfsg1-1exp39.6.2+dfsg1-1exp49.6.2+dfsg1-1exp5	None known
`vtk9` Debian:13	All versions, plus listed versions 9.3.0+dfsg1-49.3.0+dfsg1-4+m68k9.3.0+dfsg1-4.1+hurd.19.3.0+dfsg1-59.3.0+dfsg1-6 Show 39 moreShow less 9.3.0+dfsg1-79.5.2+dfsg1-1~exp19.5.2+dfsg2-19.5.2+dfsg2-1~exp19.5.2+dfsg2-1~exp29.5.2+dfsg2-1~exp39.5.2+dfsg2-1~exp49.5.2+dfsg2-29.5.2+dfsg2-39.5.2+dfsg2-49.5.2+dfsg3-19.5.2+dfsg3-29.5.2+dfsg3-39.5.2+dfsg3-49.5.2+dfsg3-59.5.2+dfsg3-69.5.2+dfsg3-79.5.2+dfsg3-89.5.2+dfsg4-19.5.2+dfsg4-29.5.2+dfsg4-39.5.2+dfsg4-49.5.2+dfsg4-59.6.2+dfsg1-1exp19.6.2+dfsg1-1exp29.6.2+dfsg1-1exp39.6.2+dfsg1-1exp49.6.2+dfsg1-1exp59.6.2+dfsg1-29.6.2+dfsg1-39.6.2+dfsg1-49.6.2+dfsg1-59.6.2+dfsg1-69.6.2+ds-19.6.2+ds-29.6.2+ds-2+test9.6.2+ds-2+test19.6.2+ds-39.6.2+ds-4	None known
`vtk9` Debian:14	before 9.6.2+ds-1, plus listed versions 9.3.0+dfsg1-49.3.0+dfsg1-4+m68k9.3.0+dfsg1-4.1+hurd.19.3.0+dfsg1-59.3.0+dfsg1-6 Show 33 moreShow less 9.3.0+dfsg1-79.5.2+dfsg1-1~exp19.5.2+dfsg2-19.5.2+dfsg2-1~exp19.5.2+dfsg2-1~exp29.5.2+dfsg2-1~exp39.5.2+dfsg2-1~exp49.5.2+dfsg2-29.5.2+dfsg2-39.5.2+dfsg2-49.5.2+dfsg3-19.5.2+dfsg3-29.5.2+dfsg3-39.5.2+dfsg3-49.5.2+dfsg3-59.5.2+dfsg3-69.5.2+dfsg3-79.5.2+dfsg3-89.5.2+dfsg4-19.5.2+dfsg4-29.5.2+dfsg4-39.5.2+dfsg4-49.5.2+dfsg4-59.6.2+dfsg1-1exp19.6.2+dfsg1-1exp29.6.2+dfsg1-1exp39.6.2+dfsg1-1exp49.6.2+dfsg1-1exp59.6.2+dfsg1-29.6.2+dfsg1-39.6.2+dfsg1-49.6.2+dfsg1-59.6.2+dfsg1-6	9.6.2+ds-1
`vtk9` Ubuntu:22.04:LTS	All versions, plus listed versions 9.0.1+dfsg1-89.1.0+really9.0.3+dfsg1-49.1.0+really9.0.3+dfsg1-4build19.1.0+really9.1.0+dfsg2-39.1.0+really9.1.0+dfsg2-3build1	None known
`vtk9` Ubuntu:24.04:LTS	All versions, plus listed versions 9.1.0+really9.1.0+dfsg2-79.1.0+really9.1.0+dfsg2-7build19.1.0+really9.1.0+dfsg2-7.1build29.1.0+really9.1.0+dfsg2-7.1build3	None known
`vtk9` Ubuntu:25.10	All versions, plus listed versions 9.3.0+dfsg1-4ubuntu19.3.0+dfsg1-4ubuntu2	None known
`vtk9` Ubuntu:26.10	All versions, plus listed versions 9.5.2+dfsg4-3ubuntu19.6.2+dfsg1-5	None known
`vtk9` Ubuntu:26.04:LTS	All versions, plus listed versions 9.3.0+dfsg1-4ubuntu29.5.2+dfsg2-4ubuntu19.5.2+dfsg3-8ubuntu19.5.2+dfsg4-2ubuntu19.5.2+dfsg4-3ubuntu1	None known