CVE-2025-2591— Open Asset Import Library Assimp MDLLoader.cpp InternReadFile_Quake1 divide by zero
Quick assessment
Affected
Open Asset Import Library Assimp
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Open Asset Import Library（assimp）是Open Asset Import Library开源的一个库。 Open Asset Import Library 5.4.3版本存在安全漏洞，该漏洞源于code/AssetLib/MDL/MDLLoader.cpp文件的MDLImporter::InternReadFile_Quake1函数存在除零错误。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-2591
Vulnerability Information
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Vulnerability Title
Open Asset Import Library Assimp MDLLoader.cpp InternReadFile_Quake1 divide by zero
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
除零错误
Source: CVE Program / CVE List V5
Vulnerability Title
Open Asset Import Library 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Open Asset Import Library（assimp）是Open Asset Import Library开源的一个库。 Open Asset Import Library 5.4.3版本存在安全漏洞，该漏洞源于code/AssetLib/MDL/MDLLoader.cpp文件的MDLImporter::InternReadFile_Quake1函数存在除零错误。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Open Asset Import Library | Assimp | 5.4.3 | - |
|
II. Public POCs for CVE-2025-2591
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2025-2591 (2)
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MDL: Fix overflow check by kimkulling · Pull Request #6047 · assimp/assimp · GitHub issue-tracking patch
Vendor Advisories for CVE-2025-2591 (4)
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CVE-2025-2591 Open Asset Import Library Assimp MDLLoader.cpp InternReadFile_Quake1 divide by zero (Issue 6009) signature permissions-required
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Submit #517781: Open Asset Import Library Assimp >=5.4.3 Divide By Zero third-party-advisory
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CVE-2025-2591 Open Asset Import Library Assimp MDLLoader.cpp InternReadFile_Quake1 divide by zero (Issue 6009) vdb-entry technical-description
Other References for CVE-2025-2591 (1)
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V. Comments for CVE-2025-2591
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