OSV-2026-1041
Heap-buffer-overflow in Assimp::ObjExporter::indexMap<Assimp::ObjExporter::vertexData, Assimp::ObjExport
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=531365119
Crash type: Heap-buffer-overflow WRITE 12
Crash state:
Assimp::ObjExporter::indexMap<Assimp::ObjExporter::vertexData, Assimp::ObjExport
Assimp::ObjExporter::WriteGeometryFile
Assimp::ObjExporter::ObjExporter
What each source reports
OSV No score
Heap-buffer-overflow in Assimp::ObjExporter::indexMap<Assimp::ObjExporter::vertexData, Assimp::ObjExport
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=531365119
Crash type: Heap-buffer-overflow WRITE 12
Crash state:
Assimp::ObjExporter::indexMap<Assimp::ObjExporter::vertexData, Assimp::ObjExport
Assimp::ObjExporter::WriteGeometryFile
Assimp::ObjExporter::ObjExporter
- Record
OSV-2026-1041- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
assimpOSS-Fuzz |
Commit ranges | Not evaluated |
Not evaluated means the source gave git commits or a range we can't read, so we can't tell which releases are affected. A fixed version beside it is the source’s own claim.
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
OSV-2026-1041 is a vulnerability with no CVSS score yet in assimp, published July 7, 2026. No source lists public exploit code. No source names a fixed version.