OSV-2026-521
UNKNOWN READ in unsigned long Assimp::StreamReader<true, true>::Get<unsigned long>
No scoreFix available
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=499121788
Crash type: UNKNOWN READ
Crash state:
unsigned long Assimp::StreamReader<true, true>::Get<unsigned long>
bool Assimp::Blender::Structure::ResolvePointer<std::__1::shared_ptr, Assimp::Bl
bool Assimp::Blender::Structure::ReadFieldPtr<2, Assimp::Blender::vector, std::_
What each source reports
OSV No score
UNKNOWN READ in unsigned long Assimp::StreamReader<true, true>::Get<unsigned long>
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=499121788
Crash type: UNKNOWN READ
Crash state:
unsigned long Assimp::StreamReader<true, true>::Get<unsigned long>
bool Assimp::Blender::Structure::ResolvePointer<std::__1::shared_ptr, Assimp::Bl
bool Assimp::Blender::Structure::ReadFieldPtr<2, Assimp::Blender::vector, std::_
- Record
OSV-2026-521- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
assimpOSS-Fuzz |
Listed versions, plus commit ranges masterv6.0.3v6.0.4v6.0.5 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
OSV-2026-521 is a vulnerability with no CVSS score yet in assimp, published April 4, 2026. No source lists public exploit code. A source reports a fix.