CVE-2025-2756: assimp Buffer Overflow — Exploit

Description

A vulnerability classified as critical has been found in Open Asset Import Library Assimp 5.4.3. This affects the function Assimp::AC3DImporter::ConvertObjectSection of the file code/AssetLib/AC/ACLoader.cpp of the component AC3D File Handler. The manipulation of the argument tmp leads to heap-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

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CVSS v3.1 Score

6.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

Weakness Type (CWE)

CWE-119 Buffer Overflow

CWE-122 CWE-122

Affected Products

Vendor	Product	Versions
assimp	assimp	All

References

Exploits

https://github.com/assimp/assimp/issues/6018 https://github.com/assimp/assimp/issues/6018#issue-2877375815

Other References

https://vuldb.com/?ctiid.300861 https://vuldb.com/?id.300861 https://vuldb.com/?submit.517790

Frequently Asked Questions

What is CVE-2025-2756? +

A vulnerability classified as critical has been found in Open Asset Import Library Assimp 5.4.3. This affects the function Assimp::AC3DImporter::ConvertObjectSection of the file code/AssetLib/AC/ACLoader.cpp of the component AC3D File Handler. The manipulation of the argument tmp leads to heap-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. It has a CVSS v3.1 base score of 6.3 (MEDIUM).

How severe is CVE-2025-2756? +

CVE-2025-2756 has a CVSS v3.1 score of 6.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-2756? +

CVE-2025-2756 affects products from assimp, specifically: assimp. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-2756? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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