What’s Vulnerable › Vulnerabilities

CVE-2025-5168: Open Asset Import Library Assimp MDLLoader.cpp ImportUVCoordinate_3DGS_MDL345 out-of-bounds

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-05-26 · updated 2026-06-17
• Weakness: CWE-119

Description

A vulnerability was found in Open Asset Import Library Assimp 5.4.3. It has been rated as problematic. Affected by this issue is the function MDLImporter::ImportUVCoordinate_3DGS_MDL345 of the file assimp/code/AssetLib/MDL/MDLLoader.cpp. The manipulation of the argument iIndex 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.

Affected products

• Open Asset Import Library Assimp: 5.4.3

References

• https://github.com/assimp/assimp/issues/6128
• https://github.com/assimp/assimp/issues/6170
• https://github.com/user-attachments/files/20208878/reproducer.zip
• https://vuldb.com/?ctiid.310256
• https://vuldb.com/?id.310256
• https://vuldb.com/?submit.578003
• https://github.com/assimp/assimp/issues/6170

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