CVE-2025-5202
highpriority · track · 31EPSS 0.003 · 22 %ileEUUSEPSS · scored 2026-10-27
A vulnerability was found in Open Asset Import Library Assimp 5.4.3. It has been declared as problematic. Affected by this vulnerability is the function HL1MDLLoader::validate_header of the file assimp/code/AssetLib/MDL/HalfLife/HL1MDLLoader.cpp. The manipulation leads to out-of-bounds read. An attack has to be approached locally. 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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–high · 1.1–7.8
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (19)
External citations — patches, advisories, analysis.
- https://github.com/assimp/assimp/issues/6128cnnvd
- https://github.com/assimp/assimp/issues/6174cnnvd
- https://github.com/assimp/assimp/releasesPatchcnnvd
- https://github.com/user-attachments/files/20209236/reproducer.zipcnnvd
- https://vuldb.com/?ctiid.310291cnnvd
- https://vuldb.com/?id.310291cnnvd
- https://vuldb.com/?submit.578007cnnvd
- https://github.com/assimp/assimp/issues/6128enisa_euvd
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