OSV-2026-867
Bad-cast to std::__shared_weak_count from invalid vptr
No scoreFix available
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=520147546
Crash type: Bad-cast
Crash state:
Bad-cast to std::__shared_weak_count from invalid vptr
std::__1::shared_ptr<Assimp::STEP::EXPRESS::DataType const>::shared_ptr
Assimp::STEP::ReadFileHeader
What each source reports
OSV No score
Bad-cast to std::__shared_weak_count from invalid vptr
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=520147546
Crash type: Bad-cast
Crash state:
Bad-cast to std::__shared_weak_count from invalid vptr
std::__1::shared_ptr<Assimp::STEP::EXPRESS::DataType const>::shared_ptr
Assimp::STEP::ReadFileHeader
- Record
OSV-2026-867- 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-2026-867 is a vulnerability with no CVSS score yet in assimp, published June 7, 2026. No source lists public exploit code. A source reports a fix.