# CVE-2025-2756: PYSEC-2025-167 - A vulnerability classified as critical has been found in Open Asset Import Library Assimp 5.4.3. This…

Source: https://junglewise.ai/threats/cve-2025-2756-pysec-2025-167-a-vulnerability-classified-as-critical-has-been  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-03-25  
License: CC BY 4.0 with a link back

CVE-2025-2756 · Severity: low · CVSS 3.1 · Published 2025-03-25

A vulnerability classified as critical has been found in Open Asset Import Library Assimp 5.4.3. This affects the function Assimp::AC3DImporter::ConvertObjectSection of the file code/AssetLib/AC/ACLoader.cpp of the component AC3D File Handler. The manipulation of the argument tmp leads to heap-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

Technologies: [pyassimp (PyPI)](https://junglewise.ai/threats/technologies/pyassimp). Vendors: [PyPI](https://junglewise.ai/threats/vendors/pypi).

## Quick answers

**Is CVE-2025-2756 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-2756 being exploited in the wild.

**How severe is CVE-2025-2756?** Low severity, with a CVSS score of 3.1, published 25 March 2025.

**Which products and versions are affected?** pyassimp (PyPI) ECOSYSTEM:introduced=0,last_affected=5.4.3.

**Is there a fix for CVE-2025-2756?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2025-2756?** Check whether you run pyassimp (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- pyassimp (PyPI) ECOSYSTEM:introduced=0,last_affected=5.4.3

## Identifiers

- CVE-2025-2756
- PYSEC-2025-167

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