CVE-2025-5202
Open Asset Import Library Assimp HL1MDLLoader.cpp validate_header out-of-bounds
- State
- Published
- Severity
- 4.8 Medium
- Published
- May 26, 2025
- Updated
- May 28, 2025
- Reserved
- May 26, 2025
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 HL1MDLLoader::validate_header of the file assimp/code/AssetLib/MDL/HalfLife/HL1MDLLoader.cpp. The manipulation leads to out-of-bounds read. An attack has 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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 4.8 Medium | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N | VulDB |
| 3.1 | 3.3 Low | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L | VulDB |
| 3.0 | 3.3 Low | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L | VulDB |
| 2.0 | 1.7 Low | AV:L/AC:L/Au:S/C:N/I:N/A:P | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
AssimpOpen Asset Import Library |
|
References
- VDB-310291 | Open Asset Import Library Assimp HL1MDLLoader.cpp validate_header out-of-boundsvdb-entrytechnical-description
- VDB-310291 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #578007 | Open Asset Import Library Assimp 5.4.3 Heap Out of Bounds Readthird-party-advisory
- https://github.com/assimp/assimp/issues/6174issue-tracking
- https://github.com/assimp/assimp/issues/6128issue-tracking
- https://github.com/user-attachments/files/20209236/reproducer.zipexploit
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.