CVE-2025-6119

Open Asset Import Library Assimp BVHLoader.cpp ReadNodeChannels use after free

State: Published
Severity: 4.8 Medium
Published: Jun 16, 2025
Updated: Jun 16, 2025
Reserved: Jun 15, 2025

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.

Scores

CVSS	Score	Vector	Source
4.0	4.8 Medium	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P	VulDB
3.1	5.3 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R	VulDB
3.0	5.3 Medium	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R	VulDB
2.0	4.3 Medium	AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR	VulDB

Weaknesses

CWE-416 Use After Free
CWE-119 Memory Corruption

Affected Products

Product	Versions
AssimpOpen Asset Import Library	5.4.0Affected 5.4.1Affected 5.4.2Affected 5.4.3Affected

References

VDB-312588 | Open Asset Import Library Assimp BVHLoader.cpp ReadNodeChannels use after freevdb-entrytechnical-description
VDB-312588 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
Submit #591233 | Open Asset Import Library Assimp 5.4.3 Use After Freethird-party-advisory
https://github.com/assimp/assimp/issues/6219issue-tracking
https://github.com/assimp/assimp/issues/6219#issuecomment-2945016005issue-tracking
https://github.com/user-attachments/files/20604791/reproduce_2.tar.gzexploit

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