What’s Vulnerable › Vulnerabilities

CVE-2025-3549: Open Asset Import Library Assimp File MD3Loader.cpp ValidateSurfaceHeaderOffsets heap-based overflow

• Severity: low (CVSS 3.3 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: 2025-04-14 · updated 2026-06-17
• Weakness: CWE-119

Description

A vulnerability, which was classified as critical, was found in Open Asset Import Library Assimp 5.4.3. Affected is the function Assimp::MD3Importer::ValidateSurfaceHeaderOffsets of the file code/AssetLib/MD3/MD3Loader.cpp of the component File Handler. The manipulation leads to heap-based buffer overflow. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used.

Affected products

• Open Asset Import Library Assimp: 5.4.3

References

• https://github.com/assimp/assimp/issues/6070
• https://github.com/user-attachments/files/19580481/Assimp_MD3Importer_ValidateSurfaceHeaderOffsets-hbo.zip
• https://vuldb.com/?ctiid.304590
• https://vuldb.com/?id.304590
• https://vuldb.com/?submit.546414

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