CVE-2025-15666 MEDIUM

CVE-2025-15666: Open Asset Import Library Assimp Model File SceneCombiner.cpp Copy heap-based overflow

Vendor Open Asset Import Library
Product Assimp
Weakness CWE-122
Published July 1, 2026
Last update July 1, 2026

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 security vulnerability has been detected in Open Asset Import Library Assimp up to 5.4.3. Affected by this vulnerability is the function Assimp::SceneCombiner::Copy of the file code/Common/SceneCombiner.cpp of the component Model File Handler. Such manipulation of the argument width/height leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. This and similar defects are tracked and handled via issue #6128.

Key dates

02Disclosure timeline

July 1, 2026 CVE published