CVE-2026-19969
Open Asset Import Library Assimp 3DGS MDL7 Model Output Mesh Generator MDLLoader.cpp GenerateOutputMeshes_3DGS_MDL7 buffer overflow
- State
- Published
- Severity
- 5.3 Medium
- Published
- Aug 17, 2026
- Updated
- Aug 18, 2026
- Reserved
- Aug 16, 2026
Description
A security vulnerability has been detected in Open Asset Import Library Assimp 17c12da. The impacted element is the function Assimp::MDLImporter::GenerateOutputMeshes_3DGS_MDL7 of the file code/AssetLib/MDL/MDLLoader.cpp of the component 3DGS MDL7 Model Output Mesh Generator. The manipulation leads to buffer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 5.4 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 3.0 | 5.4 Medium | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 6.4 Medium | AV:N/AC:L/Au:N/C:N/I:P/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
AssimpOpen Asset Import Library |
|
References
- VDB-391146 | Open Asset Import Library Assimp 3DGS MDL7 Model Output Mesh Generator MDLLoader.cpp GenerateOutputMeshes_3DGS_MDL7 buffer overflowvdb-entrytechnical-description
- VDB-391146 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-19969 | CVE Analysis and Reportthird-party-advisory
- Submit #873130 | Assimp commit 17c12da Heap-based Buffer Overflowthird-party-advisory
- https://github.com/assimp/assimp/issues/6631issue-tracking
- https://github.com/user-attachments/files/27425495/poc.zipexploit
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