# CVE-2025-2591: assimp: A vulnerability classified as problematic was found in Open Asset Import Library Assimp 5.4.3

CVE-2025-2591 is fixed in assimp on 1 platform, first by DEBIAN-CVE-2025-2591, released March 21, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2025-2591
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0065
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 21, 2025

## 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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | assimp Debian 14 | 6.0.2+ds-1 | [DEBIAN-CVE-2025-2591](https://patchblox.com/security/data/fix/linux/debian-cve-2025-2591.md) | Mar 21, 2025 |
| Linux | assimp opensuse-leap 15.6 | 5.3.1-bp156.3.9.1 | [OPENSUSE-SU-2025:0113-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2025-0113-1.md) | Apr 2, 2025 |

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Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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