CVE-2025-6120
assimp: Open Asset Import Library heap-based overflow
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · June 16, 2025
Updated · September 23, 2026
Description
A vulnerability has been discovered in the Open Asset Import Library (Assimp), specifically within the read_meshes functionality of the assimp/code/AssetLib/MDL/HalfLife/HL1MDLLoader.cpp file (related to Half-Life 1 MDL file loading). This flaw can lead to a heap-based buffer overflow. Under specific conditions, exploitation of this buffer overflow could result in unpredictable program behavior, memory corruption, or arbitrary code execution.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 5.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CWE-787 · Out-of-bounds Write