Description
A security vulnerability has been detected in Open Asset Import Library Assimp up to 6.0.2. The impacted element is the function MD5Importer::MakeDataUnique of the file code/AssetLib/MD5/MD5Loader.cpp. The manipulation of the argument iNewIndex leads to heap-based buffer overflow. The attack can only be performed from a local environment. The identifier of the patch is bf9dabb617c46e5133dac65cca6bff177917afcb. Applying a patch is the recommended action to fix this issue.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Open Asset Import Library | Assimp | 6.0.0, 6.0.1, 6.0.2 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | assimp | No fix yet | — |
| Debian 13 | assimp | No fix yet | — |
| Debian 12 | assimp | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | assimp | No fix yet | — |
| Ubuntu 26.04 LTS | assimp | No fix yet | — |
| Ubuntu 24.04 LTS | assimp | No fix yet | — |
| Ubuntu 22.04 LTS | assimp | No fix yet | — |
| Ubuntu 20.04 LTS | assimp | No fix yet | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | assimp | No fix yet | — |
| Ubuntu 16.04 LTS | assimp | No fix yet | — |
References
- VDB-397086 | Open Asset Import Library Assimp MD5Loader.cpp MakeDataUnique heap-based overflow vdb-entry technical-description
- VDB-397086 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- CVE-2026-82591 | CVE Analysis and Report third-party-advisory
- Submit #892413 | assimp Open Asset Import Library (assimp) 6.0.2 Heap-based Buffer Overflow (CWE-122) third-party-advisory
- https://github.com/assimp/assimp/pull/6718 issue-tracking patch
- https://github.com/assimp/assimp/commit/bf9dabb617c46e5133dac65cca6bff177917afcb patch