Description
A vulnerability classified as critical was found in Open Asset Import Library Assimp up to 5.4.3. Affected by this vulnerability is the function read_meshes in the library assimp/code/AssetLib/MDL/HalfLife/HL1MDLLoader.cpp. The manipulation leads to heap-based buffer overflow. 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.
References (6)
Core 6
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.312589
Permissions Required signature
permissions-required
https://vuldb.com/?ctiid.312589
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.591235
Exploit, Issue Tracking, Third Party Advisory issue-tracking
https://github.com/assimp/assimp/issues/6220
Issue Tracking issue-tracking
https://github.com/assimp/assimp/issues/6220#issuecomment-2945018579
Scores
CVSS v3
5.3
EPSS
0.0013
EPSS Percentile
31.6%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-119
CWE-122
Status
published
Products (1)
assimp/assimp
< 5.4.3
Published
Jun 16, 2025
Tracked Since
Feb 18, 2026