PYSEC-2025-173

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Import Source
https://github.com/pypa/advisory-database/blob/main/vulns/pyassimp/PYSEC-2025-173.yaml
JSON Data
https://api.osv.dev/v1/vulns/PYSEC-2025-173
Aliases
Published
2025-05-26T04:15:28.370Z
Modified
2026-05-21T15:00:26.730317509Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

A vulnerability was found in Open Asset Import Library Assimp 5.4.3. It has been classified as problematic. Affected is the function MDCImporter::InternReadFile of the file assimp/code/AssetLib/MDC/MDCLoader.cpp of the component MDC File Parser. The manipulation of the argument pcVerts leads to out-of-bounds read. It is possible to launch the attack on the local host. 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.

References

Affected packages

PyPI / pyassimp

Package

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Last affected
5.4.3

Affected versions

0.*
0.1
3.*
3.3
4.*
4.1.1
4.1.2
4.1.3
4.1.4
5.*
5.2.5

Database specific

source
"https://github.com/pypa/advisory-database/blob/main/vulns/pyassimp/PYSEC-2025-173.yaml"