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CVE-2025-5200— Open Asset Import Library Assimp MDLLoader.cpp InternReadFile_Quake1 out-of-bounds

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.

Assimp是Assimp开源的一个库。用于导入和导出各种三维模型格式。 Assimp 5.4.3版本存在缓冲区错误漏洞，该漏洞源于存在越界读取问题。

CVSS 3.3 · Low EPSS 0.28% · P19
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I. Basic Information for CVE-2025-5200

Vulnerability Information
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Vulnerability Title
Open Asset Import Library Assimp MDLLoader.cpp InternReadFile_Quake1 out-of-bounds
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Open Asset Import Library Assimp 5.4.3 and classified as problematic. This issue affects the function MDLImporter::InternReadFile_Quake1 of the file assimp/code/AssetLib/MDL/MDLLoader.cpp. The manipulation leads to out-of-bounds read. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. The project decided to collect all Fuzzer bugs in a main-issue to address them in the future.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
Assimp 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Assimp是Assimp开源的一个库。用于导入和导出各种三维模型格式。 Assimp 5.4.3版本存在缓冲区错误漏洞，该漏洞源于存在越界读取问题。
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-2025-5200

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III. Intelligence Information for CVE-2025-5200

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Other References for CVE-2025-5200 (1)

Same Patch Batch · Open Asset Import Library · 2025-05-26 · 10 CVEs total

CVE-2025-5165 3.3 LOW Open Asset Import Library Assimp MDCLoader.cpp ValidateSurfaceHeader out-of-bounds
CVE-2025-5166 3.3 LOW Open Asset Import Library Assimp MDC File Parser MDCLoader.cpp InternReadFile out-of-bound
CVE-2025-5167 3.3 LOW Open Asset Import Library Assimp LWOLoader.h GetS0 out-of-bounds
CVE-2025-5168 3.3 LOW Open Asset Import Library Assimp MDLLoader.cpp ImportUVCoordinate_3DGS_MDL345 out-of-bound
CVE-2025-5169 3.3 LOW Open Asset Import Library Assimp MDLLoader.cpp InternReadFile_3DGS_MDL345 out-of-bounds
CVE-2025-5201 3.3 LOW Open Asset Import Library Assimp LWOLoader.cpp CountVertsAndFacesLWO2 out-of-bounds
CVE-2025-5202 3.3 LOW Open Asset Import Library Assimp HL1MDLLoader.cpp validate_header out-of-bounds
CVE-2025-5203 3.3 LOW Open Asset Import Library Assimp ParsingUtils.h SkipSpaces out-of-bounds
CVE-2025-5204 3.3 LOW Open Asset Import Library Assimp MDLMaterialLoader.cpp ParseSkinLump_3DGS_MDL7 out-of-boun

IV. Related Vulnerabilities

Same product: Assimp
Same vendor: Open Asset Import Library
Same weakness: CWE-125

V. Comments for CVE-2025-5200

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