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/C
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 software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | pyassimp | <= 5.4.3 | no fix |
References
- https://vuldb.com/?id.300575
- https://vuldb.com/?submit.517782
- https://github.com/assimp/assimp/issues/6010
- https://github.com/assimp/assimp/issues/6010#issue-2877368110
- https://vuldb.com/?ctiid.300575
- https://github.com/assimp/assimp/commit/2690e354da0c681db000cfd892a55226788f2743
- https://github.com/assimp/assimp/pull/6052
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H- Weakness (CWE)
-- Platform
- Python (PyPI)
- Package
pyassimp- Disclosed
- 21.03.2025
- Updated
- 11.10.2026 13:19
Sources and licenses
OSV / GitHub Advisory Database - PYSEC-2025-260 - PyPA Advisory Database; CC BY 4.0
Vulnerability history: pyassimp
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 33
- First → latest
- 09.2024 10.2025
- Without a fix
- 33
- Exploited in attacks
- 0
Severity breakdown
- Critical 1
- High 16
- Medium 14
- Low 2
Disclosures per year
- 2024: 6
- 2025: 27
- 2026: 0
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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/C this entry
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