Description
A vulnerability was found in Open Asset Import Library Assimp 5.4.3. It has been classified as problematic. Affected is the function LWOImporter::CountVertsAndFacesLWO2 of the file assimp/code/AssetLib/LWO/LWOLoader.cpp. The manipulation leads to out-of-bounds read. The attack needs 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.
References (7)
Core 7
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.310290
Permissions Required, Third Party Advisory, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.310290
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.578006
Exploit, Issue Tracking issue-tracking
https://github.com/assimp/assimp/issues/6173
Issue Tracking issue-tracking
https://github.com/assimp/assimp/issues/6128
Exploit, Issue Tracking
https://github.com/assimp/assimp/issues/6174
Scores
CVSS v3
3.3
EPSS
0.0011
EPSS Percentile
29.2%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-119
CWE-125
Status
published
Products (1)
assimp/assimp
< 5.4.3
Published
May 26, 2025
Tracked Since
Feb 18, 2026