Buffer overflow in Assimp

CVE-2025-11277

A weakness has been identified in Open Asset Import Library Assimp 6.0.2. This affects the function Q3DImporter::InternReadFile of the file assimp/code/AssetLib/Q3D/Q3DLoader.cpp. Executing a manipulation can lead to heap-based buffer overflow. The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (13.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-11277?
CVE-2025-11277 is a medium-severity vulnerability in Assimp, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.3/10. Published 2025-10-05.
How severe is CVE-2025-11277?
Medium severity. CVSS v3 base score is 5.3 out of 10.