Vulnerability · Published Mar 21, 2025 · Assigned by VulDB
CVE-2025-2592Open Asset Import Library Assimp CSMLoader.cpp InternReadFile heap-based overflow
Medium 6.3
In plain English
A medium-severity heap buffer overflow 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 0.7% (higher than 55% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
A vulnerability, which was classified as critical, has been found in Open Asset Import Library Assimp 5.4.3. This issue affects the function CSMImporter::InternReadFile of the file code/AssetLib/CSM/CSMLoader.cpp. The manipulation leads to heap-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The patch is named 2690e354da0c681db000cfd892a55226788f2743. It is recommended to apply a patch to fix this issue.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | assimp | no fix listed | DEBIAN-CVE-2025-2592 |
| Debian:13 | assimp | no fix listed | DEBIAN-CVE-2025-2592 |
| Debian:14 | assimp | 6.0.2+ds-1 | DEBIAN-CVE-2025-2592 |
| PyPI | pyassimp | no fix listed | PYSEC-2025-260 |
| Ubuntu:22.04:LTS | assimp | no fix listed | UBUNTU-CVE-2025-2592 |
| Ubuntu:24.04:LTS | assimp | no fix listed | UBUNTU-CVE-2025-2592 |
| Ubuntu:25.10 | assimp | no fix listed | UBUNTU-CVE-2025-2592 |
| Ubuntu:26.04:LTS | assimp | no fix listed | UBUNTU-CVE-2025-2592 |
| Ubuntu:26.10 | assimp | no fix listed | UBUNTU-CVE-2025-2592 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Open Asset Import Library | Assimp | 5.4.3 |
Weakness: CWE-122, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
References
- VDB-300575 | Open Asset Import Library Assimp CSMLoader.cpp InternReadFile heap-based overflow vdb-entry, technical-description
- VDB-300575 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #517782 | Open Asset Import Library Assimp >=5.4.3 Heap-based Buffer Overflow third-party-advisory
- https://github.com/assimp/assimp/issues/6010 issue-tracking
- https://github.com/assimp/assimp/pull/6052 issue-tracking
- https://github.com/assimp/assimp/issues/6010#issue-2877368110 exploit, issue-tracking
- https://github.com/assimp/assimp/commit/2690e354da0c681db000cfd892a55226788f2743 patch