p PatchFirst

CVE-2025-2756

CVE-2025-2756 · Open Asset Import Library Assimp AC3D File ACLoader.cpp ConvertObjectSection heap-based overflow

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

CVSS 5.3 · Medium · EPSS 0.6%

Published
Updated

Stack: system · python

Affected products and versions

  • assimp

    Versions
    • 5.4.3: Affected

    No fix published

  • assimp Debian:12

    Versions
    • 5.2.5~ds0-1
    • 5.2.5~ds0-1.1
    • 5.3.1+ds-1
    • 5.3.1+ds-2
    • 5.4.0+ds-1
    • 5.4.1+ds-1
    • 5.4.2+ds-1
    • 5.4.3+ds-2
    • 5.4.3+ds-3
    • 6.0.2+ds-1
    • 6.0.3+ds-1
    • 6.0.4+ds-1
    • 6.0.4+ds-3
    • 6.0.5+ds-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • assimp Debian:13

    Versions
    • 5.4.3+ds-2
    • 5.4.3+ds-3
    • 6.0.2+ds-1
    • 6.0.3+ds-1
    • 6.0.4+ds-1
    • 6.0.4+ds-3
    • 6.0.5+ds-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • assimp Debian:14

    Versions
    • 5.4.3+ds-2
    • 5.4.3+ds-3
    • 6.0.2+ds-1
    • 6.0.3+ds-1
    • 6.0.4+ds-1
    • 6.0.4+ds-3
    • 6.0.5+ds-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • pyassimp PyPI

    Versions
    • 0.1
    • 3.3
    • 4.1.1
    • 4.1.2
    • 4.1.3
    • 4.1.4
    • 5.2.5
    Affected ranges
    • ECOSYSTEM: ≤ 5.4.3

    No fix published

  • assimp Ubuntu:16.04:LTS

    Versions
    • 3.0~dfsg-4ubuntu4
    • 3.1.1~dfsg-5
    • 3.2~dfsg-1
    • 3.2~dfsg-2
    • 3.2~dfsg-3
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • assimp Ubuntu:18.04:LTS

    Versions
    • 3.3.1~dfsg-5
    • 3.3.1~dfsg-5ubuntu1
    • 3.3.1~dfsg-5+build1
    • 4.0.1~dfsg-1~exp2
    • 4.0.1~dfsg-1
    • 4.1.0~dfsg-1
    • 4.1.0~dfsg-2
    • 4.1.0~dfsg-3
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • assimp Ubuntu:20.04:LTS

    Versions
    • 4.1.0~dfsg-5
    • 4.1.0~dfsg-5ubuntu1
    • 5.0.1~ds0-1build1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • assimp Ubuntu:22.04:LTS

    Versions
    • 5.0.1~ds0-2
    • 5.0.1~ds0-3ubuntu1
    • 5.1.4~ds0-1
    • 5.1.5~ds0-1
    • 5.1.6~ds0-1
    • 5.2.0~ds0-2
    • 5.2.1~ds0-1
    • 5.2.2~ds0-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • assimp Ubuntu:24.04:LTS

    Versions
    • 5.2.5~ds0-1.1build1
    • 5.3.1+ds-1
    • 5.3.1+ds-2
    • 5.3.1+ds-2build1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • assimp Ubuntu:25.10

    Versions
    • 5.4.3+ds-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • assimp Ubuntu:26.10

    Versions
    • 6.0.4+ds-1build1
    • 6.0.5+ds-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • assimp Ubuntu:26.04:LTS

    Versions
    • 5.4.3+ds-2
    • 6.0.2+ds-1
    • 6.0.3+ds-1
    • 6.0.4+ds-1
    • 6.0.4+ds-1build1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

Check your server →