# CVE-2025-3549: assimp: A vulnerability, which was classified as critical, was found in Open Asset Import Library Assimp 5.4.3

CVE-2025-3549 is fixed in assimp on 1 platform by DEBIAN-CVE-2025-3549 (version 6.0.3+ds-1), released April 14, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2025-3549
- Priority: Routine
- CVSS: 3.3 (low)
- EPSS: 0.0028
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 14, 2025

## Description

A vulnerability, which was classified as critical, was found in Open Asset Import Library Assimp 5.4.3. Affected is the function Assimp::MD3Importer::ValidateSurfaceHeaderOffsets of the file code/AssetLib/MD3/MD3Loader.cpp of the component File Handler. The manipulation leads to heap-based buffer overflow. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | assimp Debian 14 | 6.0.3+ds-1 | [DEBIAN-CVE-2025-3549](https://patchblox.com/security/data/fix/linux/debian-cve-2025-3549.md) | Apr 14, 2025 |

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Data as of 2026-11-08T00:53:09Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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