What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-01 · updated 2026-10-06
• Weakness: CWE-119

Description

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.

Affected products

• Open Asset Import Library Assimp: 5.4.0, 5.4.1, 5.4.2, 5.4.3

References

• https://github.com/assimp/assimp/issues/6079
• https://vuldb.com/cve/CVE-2025-15666
• https://vuldb.com/submit/844487
• https://vuldb.com/vuln/374595
• https://vuldb.com/vuln/374595/cti

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