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

Published Jul 1, 2026
·
Updated

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 Software

1 affected component
Assimp Assimp<=5.4.3

Event History

Jul 1, 2026
CVE Published
via MITRE·05:45 AM
Data Sourced
via MITRE·05:45 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·07:16 AM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2025-15666?

CVE-2025-15666 has a medium severity rating of 5.3.

2

How do I fix CVE-2025-15666?

To fix CVE-2025-15666, upgrade to the latest version of Assimp beyond 5.4.3.

3

What type of vulnerability is CVE-2025-15666?

CVE-2025-15666 is classified as a buffer overflow vulnerability.

4

What components are affected by CVE-2025-15666?

CVE-2025-15666 affects the Assimp library, specifically the SceneCombiner.cpp file in the Model File Handler.

5

What impact does CVE-2025-15666 have?

Exploitation of CVE-2025-15666 can lead to heap-based overflow, potentially allowing for arbitrary code execution.

Contact

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