Vulnerability · Published Jun 16, 2025 · Assigned by VulDB
CVE-2025-6119Open Asset Import Library Assimp BVHLoader.cpp ReadNodeChannels use after free
Medium 5.3
In plain English
A medium-severity use-after-free in Assimp from Open Asset Import Library. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 15% of all known vulnerabilities).
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | assimp | no fix listed | DEBIAN-CVE-2025-6119 |
| Debian:13 | assimp | no fix listed | DEBIAN-CVE-2025-6119 |
| Debian:14 | assimp | no fix listed | DEBIAN-CVE-2025-6119 |
| Ubuntu:22.04:LTS | assimp | no fix listed | UBUNTU-CVE-2025-6119 |
| Ubuntu:24.04:LTS | assimp | no fix listed | UBUNTU-CVE-2025-6119 |
| Ubuntu:25.10 | assimp | no fix listed | UBUNTU-CVE-2025-6119 |
| Ubuntu:26.04:LTS | assimp | no fix listed | UBUNTU-CVE-2025-6119 |
| Ubuntu:26.10 | assimp | no fix listed | UBUNTU-CVE-2025-6119 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Open Asset Import Library | Assimp | 5.4.05.4.15.4.25.4.3 |
Weakness: CWE-416, CWE-119 · Vector: 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
References
- VDB-312588 | Open Asset Import Library Assimp BVHLoader.cpp ReadNodeChannels use after free vdb-entry, technical-description
- VDB-312588 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #591233 | Open Asset Import Library Assimp 5.4.3 Use After Free third-party-advisory
- https://github.com/assimp/assimp/issues/6219 issue-tracking
- https://github.com/assimp/assimp/issues/6219#issuecomment-2945016005 issue-tracking
- https://github.com/user-attachments/files/20604791/reproduce_2.tar.gz exploit