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.
This page covers CVE-2025-2591 as tracked by Debian, for the package assimp. The fix is available in version 6.0.2+ds-1; earlier versions remain affected.
This issue can be reached with local access to the system, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.
The score comes from this vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
DEBIAN-CVE-2025-2591 is classified as CWE-369: Divide By Zero. A divisor derived from input is not checked for zero, terminating or destabilising the process.
DEBIAN-CVE-2025-2591 is recorded against 1 package.
Published on 21 March 2025 and last revised on 4 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.
security-tracker.debian.org (Advisory)
assimp has other advisories on record. If you are patching this one, these are worth checking on the same host:
These advisories are the same class of weakness (CWE-369: Divide By Zero) in other software:
Each distribution ships its own build and its own fixed version. Pick the one you run:
Details
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| assimp | — | 6.0.2+ds-1 |
References
Similar Threats
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