CVE-2026-10231
Assimp Half-Life 1 MDL Loader HL1MDLLoader.cpp extract_anim_value heap-based overflow
- State
- Published
- Severity
- 4.8 Medium
- Published
- Jun 1, 2026
- Updated
- Jun 1, 2026
- Reserved
- May 31, 2026
Description
A security flaw has been discovered in Assimp up to 6.0.4. Affected is the function HL1MDLLoader::extract_anim_value of the file HL1MDLLoader.cpp of the component Half-Life 1 MDL Loader. Performing a manipulation of the argument num.total results in heap-based buffer overflow. The attack must be initiated from a local position. The exploit has been released to the public and may be used for attacks. The project tagged the reported issue as bug.
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 |
|---|---|
Assimpn/a |
|
References
- VDB-367510 | Assimp Half-Life 1 MDL Loader HL1MDLLoader.cpp extract_anim_value heap-based overflowvdb-entrytechnical-description
- VDB-367510 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-10231 | CVE Analysis and Reportthird-party-advisory
- Submit #821191 | Assimp commit 17c12da Heap-based Buffer Overflowthird-party-advisory
- https://github.com/assimp/assimp/issues/6616issue-tracking
- https://github.com/user-attachments/files/27195744/poc.zipexploit
- https://github.com/assimp/assimp/product
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