---
id: CVE-2025-3016
aliases:
  - PYSEC-2025-262
title: >-
  A vulnerability classified as problematic was found in Open Asset Import
  Library Assimp 5.4.3. This vulnerability affects the function As…
summary: >-
  A vulnerability classified as problematic was found in Open Asset Import
  Library Assimp 5.4.3. This vulnerability affects the function
  Assimp::MDLImporter::ParseTextureColorData of the file
  code/AssetLib/MDL/MDLMaterialLoader.cpp of the …
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'
vendor: pyassimp
product: pyassimp
ecosystem: pip
affected:
  - pyassimp <= 5.4.3
published: '2025-03-31'
updated: '2026-07-13'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/PYSEC-2025-262'
references:
  - url: 'https://vuldb.com/?id.302068'
  - url: 'https://vuldb.com/?submit.524593'
  - url: 'https://github.com/assimp/assimp/issues/6022'
  - url: 'https://vuldb.com/?ctiid.302068'
  - url: >-
      https://github.com/assimp/assimp/commit/5d2a7482312db2e866439a8c05a07ce1e718bed1
  - url: 'https://github.com/assimp/assimp/pull/6046'
tags:
  - osv
  - pip
epss: 0.00623
epssPercentile: 0.48548
ingestedAt: '2026-07-13T18:58:06.849Z'
---

## Overview

A vulnerability classified as problematic was found in Open Asset Import Library Assimp 5.4.3. This vulnerability affects the function Assimp::MDLImporter::ParseTextureColorData of the file code/AssetLib/MDL/MDLMaterialLoader.cpp of the component MDL File Handler. The manipulation of the argument mWidth/mHeight leads to resource consumption. The attack can be initiated remotely. Upgrading to version 6.0 is able to address this issue. The name of the patch is 5d2a7482312db2e866439a8c05a07ce1e718bed1. It is recommended to apply a patch to fix this issue.

## Affected packages

- `pyassimp <= 5.4.3`

## Remediation

Refer to the advisory for the patched release.