CVE-2025-5166

Description

A vulnerability was found in Open Asset Import Library Assimp 5.4.3. It has been classified as problematic. Affected is the function MDCImporter::InternReadFile of the file assimp/code/AssetLib/MDC/MDCLoader.cpp of the component MDC File Parser. The manipulation of the argument pcVerts leads to out-of-bounds read. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. The project decided to collect all Fuzzer bugs in a main-issue to address them in the future.

CVSS v3.1 Score

3.3

LOW

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

Weakness Type (CWE)

CWE-119 Buffer Overflow

CWE-125 Out-of-bounds Read

Affected Products

Vendor	Product	Versions
assimp	assimp	All

References

Exploits

https://github.com/assimp/assimp/issues/6168 https://github.com/user-attachments/files/20208318/reproducer.zip https://github.com/assimp/assimp/issues/6168

Other References

https://github.com/assimp/assimp/issues/6128 https://vuldb.com/?ctiid.310254 https://vuldb.com/?id.310254 https://vuldb.com/?submit.578001

Frequently Asked Questions

What is CVE-2025-5166? +

A vulnerability was found in Open Asset Import Library Assimp 5.4.3. It has been classified as problematic. Affected is the function MDCImporter::InternReadFile of the file assimp/code/AssetLib/MDC/MDCLoader.cpp of the component MDC File Parser. The manipulation of the argument pcVerts leads to out-of-bounds read. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. The project decided to collect all Fuzzer bugs in a main-issue to address them in the future. It has a CVSS v3.1 base score of 3.3 (LOW).

How severe is CVE-2025-5166? +

CVE-2025-5166 has a CVSS v3.1 score of 3.3 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

What products are affected by CVE-2025-5166? +

CVE-2025-5166 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-2025-5166? +

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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