CVE-2025-5167
Description
A vulnerability was found in Open Asset Import Library Assimp 5.4.3. It has been declared as problematic. Affected by this vulnerability is the function LWOImporter::GetS0 in the library assimp/code/AssetLib/LWO/LWOLoader.h. The manipulation of the argument out leads to out-of-bounds read. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used. The project decided to collect all Fuzzer bugs in a main-issue to address them in the future.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Debian Affected 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Affected | — |
| sid | Affected | — |
| forky | Affected | — |
| bullseye | Affected | — |
| bookworm | Affected | — |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| PyPI | pyassimp | <=5.4.3 | |
References
- https://security-tracker.debian.org/tracker/CVE-2025-5167
- https://vuldb.com/?id.310255
- https://vuldb.com/?submit.578002
- https://github.com/assimp/assimp/issues/6128
- https://vuldb.com/?ctiid.310255
- https://github.com/assimp/assimp/issues/6169
- https://github.com/user-attachments/files/20208666/reproducer.zip
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.