CVE-2025-5166

low-risk
Published 2025-05-26

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.

Do I need to act?

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0.11% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
3
CVSS 3.3/10 Low
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Assimp

References (7)

Issue Tracking https://github.com/assimp/assimp/issues/6128
Exploit https://github.com/assimp/assimp/issues/6168
Exploit https://github.com/user-attachments/files/20208318/reproducer.zip
Permissions Required https://vuldb.com/?ctiid.310254
Third Party Advisory https://vuldb.com/?id.310254
Third Party Advisory https://vuldb.com/?submit.578001
Exploit https://github.com/assimp/assimp/issues/6168
18
/ 100
low-risk
Severity 13/34 · Low
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal