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CVE-2025-6119— Open Asset Import Library Assimp BVHLoader.cpp ReadNodeChannels use after free

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开源的一个官方开放资产导入库存储库。可将40多种3D文件格式加载到一个统一且干净的数据结构中。 Open Asset Import Library Assimp 5.4.3及之前版本存在资源管理错误漏洞，该漏洞源于对函数Assimp::BVHLoader::ReadNodeChannels中参数pNode的错误操作导致释放后重用。

CVSS 5.3 · Medium EPSS 0.23% · P13

Possible ATT&CK Techniques 1 AI

T1211 · Exploitation for Stealth
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I. Basic Information for CVE-2025-6119

Vulnerability Information
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Vulnerability Title
Open Asset Import Library Assimp BVHLoader.cpp ReadNodeChannels use after free
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability classified as critical has been found in Open Asset Import Library Assimp up to 5.4.3. Affected is the function Assimp::BVHLoader::ReadNodeChannels in the library assimp/code/AssetLib/BVH/BVHLoader.cpp. The manipulation of the argument pNode leads to use after free. Attacking locally is a requirement. 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:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
Open Asset Import Library Assimp 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Open Asset Import Library Assimp是Open Asset Import Library开源的一个官方开放资产导入库存储库。可将40多种3D文件格式加载到一个统一且干净的数据结构中。 Open Asset Import Library Assimp 5.4.3及之前版本存在资源管理错误漏洞，该漏洞源于对函数Assimp::BVHLoader::ReadNodeChannels中参数pNode的错误操作导致释放后重用。
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 5.4.0 -

II. Public POCs for CVE-2025-6119

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III. Intelligence Information for CVE-2025-6119

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Vendor Advisories for CVE-2025-6119 (1)

Security Blog Posts for CVE-2025-6119 (1)

Other References for CVE-2025-6119 (1)

IV. Related Vulnerabilities

Same product: Assimp
Same vendor: Open Asset Import Library
Same weakness: CWE-416

V. Comments for CVE-2025-6119

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