CVE-2025-2591

MEDIUM

Open Asset Import Library Assimp 5.4.3 - Divide By Zero in MDLImporter::InternReadFile_Quake1

Title source: llm
STIX 2.1

Description

A vulnerability classified as problematic was found in Open Asset Import Library Assimp 5.4.3. This vulnerability affects the function MDLImporter::InternReadFile_Quake1 of the file code/AssetLib/MDL/MDLLoader.cpp. The manipulation of the argument skinwidth/skinheight leads to divide by zero. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The patch is identified as ab66a1674fcfac87aaba4c8b900b315ebc3e7dbd. It is recommended to apply a patch to fix this issue.

References (7)

Core 7
Core References
Third Party Advisory, VDB Entry vdb-entry technical-description
https://vuldb.com/?id.300574
Permissions Required, VDB Entry signature permissions-required
https://vuldb.com/?ctiid.300574
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.517781
Exploit, Issue Tracking issue-tracking
https://github.com/assimp/assimp/issues/6009
Exploit, Issue Tracking exploit issue-tracking
https://github.com/assimp/assimp/issues/6009#issue-2877367021

Scores

CVSS v3 4.3
EPSS 0.0056
EPSS Percentile 41.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-369 CWE-404
Status published
Products (1)
assimp/assimp 5.4.3
Published Mar 21, 2025
Tracked Since Feb 18, 2026