Open Asset Import Library Assimp up to 5.4.3 Model File SceneCombiner.cpp Copy width/height heap-based overflow

Summaryinfo

A vulnerability marked as problematic has been reported in Open Asset Import Library Assimp up to 5.4.3. Affected by this issue is the function Assimp::SceneCombiner::Copy of the file code/Common/SceneCombiner.cpp of the component Model File Handler. Performing a manipulation of the argument width/height results in heap-based overflow. This vulnerability is known as CVE-2025-15666. Attacking locally is a requirement. Furthermore, an exploit is available. This and similar defects are tracked and handled via issue #6128.

Detailsinfo

A vulnerability was found in Open Asset Import Library Assimp up to 5.4.3. It has been classified as problematic. This affects the function Assimp::SceneCombiner::Copy of the file code/Common/SceneCombiner.cpp of the component Model File Handler. The manipulation of the argument width/height with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). This is going to have an impact on confidentiality, integrity, and availability.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2025-15666. The exploitability is told to be easy. Attacking locally is a requirement. Technical details and a public exploit are known.

The exploit is shared for download at github.com. It is declared as proof-of-concept. This and similar defects are tracked and handled via issue #6128.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Software Library

Vendor

• Open Asset Import Library

Name

• Assimp

Version

• 5.4.0
• 5.4.1
• 5.4.2
• 5.4.3

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

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• 🔒
• 🔒

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Exploitinginfo

Threat Intelligenceinfo

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Timelineinfo

Sourcesinfo

Entryinfo

Submitinfo

Accepted

• Submit #844487: Assimp v5.4.3 Heap-based Buffer Overflow (by TYGLS)

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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