CVE-2025-6120 MEDIUM

CVE-2025-6120: Open Asset Import Library Assimp HL1MDLLoader.cpp read_meshes heap-based overflow

Vendor Open Asset Import Library
Product Assimp
Weakness CWE-122
Published June 16, 2025
Last update June 16, 2025
View on NVD All CVEs

CVSS base score

4.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

A vulnerability classified as critical was found in Open Asset Import Library Assimp up to 5.4.3. Affected by this vulnerability is the function read_meshes in the library assimp/code/AssetLib/MDL/HalfLife/HL1MDLLoader.cpp. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack on the local host. 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.

Key dates

02Disclosure timeline

June 16, 2025 CVE published
June 16, 2025 Record updated