Description
A vulnerability was identified in Open Asset Import Library Assimp 6.0.2. Affected by this vulnerability is the function ODDLParser::getNextSeparator in the library assimp/contrib/openddlparser/include/openddlparser/OpenDDLParserUtils.h. Such manipulation leads to heap-based buffer overflow. The attack must be carried out locally. The exploit is publicly available and might be used.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Open Asset Import Library | Assimp | 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 25.10 | assimp | No fix yet | — |
| Ubuntu 24.04 LTS | assimp | No fix yet | — |
| Ubuntu 22.04 LTS | assimp | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | assimp | No fix yet | — |
| Ubuntu 18.04 LTS | assimp | No fix yet | — |
| Ubuntu 16.04 LTS | assimp | No fix yet | — |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | assimp | 6.0.4-r0 | — |
| Alpine v3.23 | assimp | 6.0.4-r0 | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | pyassimp | <= 6.0.2 | — | PYSEC-2025-156 |
References
- VDB-327009 | Open Asset Import Library Assimp OpenDDLParserUtils.h getNextSeparator heap-based overflow vdb-entry technical-description
- VDB-327009 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- Submit #658675 | Open Asset Import Library Assimp Assimp Version: 6.0.2 / master commit 0581ed5 Heap-based Buffer Overflow third-party-advisory
- https://github.com/assimp/assimp/issues/6357 issue-tracking
- https://github.com/user-attachments/files/22417682/poc.zip exploit