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CVE-2026-19969— Open Asset Import Library Assimp 3DGS MDL7 Model Output Mesh Generator MDLLoader.cpp GenerateOutputMeshes_3DGS_MDL7 buffer overflow

CVSS 5.4 · Medium EPSS 0.29% · P22

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProductVersion RangeStatus
Open Asset Import LibraryAssimp17c12daaffected
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I. Basic Information for CVE-2026-19969

Vulnerability Information
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Vulnerability Title
Open Asset Import Library Assimp 3DGS MDL7 Model Output Mesh Generator MDLLoader.cpp GenerateOutputMeshes_3DGS_MDL7 buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been detected in Open Asset Import Library Assimp 17c12da. The impacted element is the function Assimp::MDLImporter::GenerateOutputMeshes_3DGS_MDL7 of the file code/AssetLib/MDL/MDLLoader.cpp of the component 3DGS MDL7 Model Output Mesh Generator. The manipulation leads to buffer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
Open Asset Import Library 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Open Asset Import Library是Open Asset Import Library组织开源的一个库。用于导入和导出各种三维模型格式。 Open Asset Import Library 17c12da版本存在缓冲区错误漏洞，该漏洞源于3DGS MDL7 Model Output Mesh Generator组件中code/AssetLib/MDL/MDLLoader.cpp文件的Open Asset Import Library::MDLImporter::GenerateOutput
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

VendorProductAffected VersionsCPESubscribe
Open Asset Import LibraryAssimp 17c12da cpe:2.3:a:assimp:assimp:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-19969

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III. Intelligence Information for CVE-2026-19969

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Other References for CVE-2026-19969 (1)

Other References for CVE-2026-19969 (1)

Same Patch Batch · Open Asset Import Library · 2026-08-17 · 4 CVEs total

CVE-2026-199676.3 MEDIUMOpen Asset Import Library Assimp File Compression.cpp decompressBlock heap-based overflow
CVE-2026-199706.3 MEDIUMOpen Asset Import Library Assimp Node MDLLoader.cpp AddBonesToNodeGraph_3DGS_MDL7 heap-bas
CVE-2026-199684.3 MEDIUMOpen Asset Import Library Assimp 3DGS MDL7 Model LWOLoader.h ReadFaces_3DGS_MDL7 heap-base

IV. Related Vulnerabilities

Same product: Assimp
Same vendor: Open Asset Import Library
Same weakness: CWE-120

V. Comments for CVE-2026-19969

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