CVE-2025-15538
Open Asset Import Library Assimp LWOMaterial.cpp FindUVChannels use after free
- State
- Published
- Severity
- 4.8 Medium
- Published
- Jan 18, 2026
- Updated
- Feb 23, 2026
- Reserved
- Jan 18, 2026
Description
A security vulnerability has been detected in Open Asset Import Library Assimp up to 6.0.2. Affected by this vulnerability is the function Assimp::LWOImporter::FindUVChannels of the file /src/assimp/code/AssetLib/LWO/LWOMaterial.cpp. Such manipulation leads to use after free. The attack needs to be performed locally. The exploit has been disclosed publicly and may be used. This and similar defects are tracked and handled via issue #6128.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 4.8 Medium | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 3.0 | 5.3 Medium | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 4.3 Medium | AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
AssimpOpen Asset Import Library |
|
References
- VDB-341727 | Open Asset Import Library Assimp LWOMaterial.cpp FindUVChannels use after freevdb-entrytechnical-description
- VDB-341727 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #735232 | Open Asset Import Library Assimp 6.0.2 Use After Freethird-party-advisory
- https://github.com/assimp/assimp/issues/6258issue-tracking
- https://github.com/assimp/assimp/issues/6258#issuecomment-3070999530issue-tracking
- https://github.com/user-attachments/files/21216542/assimp_poc10.zipexploit
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