Medium
vtk9 — security advisory
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.
- Products
- vtk9
- Affected versions
- 9.0.1+dfsg1-8, 9.1.0+really9.0.3+dfsg1-4, 9.1.0+really9.0.3+dfsg1-4build1, 9.1.0+really9.1.0+dfsg2-3, 9.1.0+really9.1.0+dfsg2-3build1, 9.1.0+really9.1.0+dfsg2-7, 9.1.0+really9.1.0+dfsg2-7.1build2, 9.1.0+really9.1.0+dfsg2-7.1build3, 9.1.0+really9.1.0+dfsg2-7build1, 9.3.0+dfsg1-4ubuntu1, 9.3.0+dfsg1-4ubuntu2, 9.5.2+dfsg2-4ubuntu1, 9.5.2+dfsg3-8ubuntu1, 9.5.2+dfsg4-2ubuntu1, 9.5.2+dfsg4-3ubuntu1, 9.6.2+dfsg1-5
- Fixed versions
- Not specified
- CVEs
- CVE-2025-57109
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 01:33 UTC · Revision 1
Source evidence
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.
osv:UBUNTU-CVE-2025-57109
vtk9
Fixed versions: Not specified
vtk9
Fixed versions: Not specified
vtk9
Fixed versions: Not specified
vtk9
Fixed versions: Not specified
vtk9
Fixed versions: Not specified
Complete source record
{
"id": "9590ad812fb2fb44366f1c28e7ba62b986d0806a994636be45cc512c93867ca8",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2025-57109",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2025-57109",
"summary": "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.",
"evidence": "osv:UBUNTU-CVE-2025-57109",
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"evidence": "/affected/0/versions"
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{
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],
"severity": "medium",
"structured": {
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"aliases": [
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],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L"
},
{
"type": "Ubuntu",
"score": "medium"
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"affected": [
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"package": {
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"9.1.0+really9.1.0+dfsg2-7build1",
"9.1.0+really9.1.0+dfsg2-7.1build2",
"9.1.0+really9.1.0+dfsg2-7.1build3"
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"database_specific": {
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],
"modified": "2026-10-17T12:57:08.543345594Z",
"provider": "osv",
"upstream": [
"CVE-2025-57109"
],
"references": [
"https://ubuntu.com/security/CVE-2025-57109",
"https://www.cve.org/CVERecord?id=CVE-2025-57109",
"https://gitlab.kitware.com/vtk/vtk/-/issues/19735"
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},
"related_cves": [
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"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 356779,
"published_at": "2025-10-30T19:16:00+00:00"
}