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CVE-2025-5166

CVE-2025-5166 · Open Asset Import Library Assimp MDC File Parser MDCLoader.cpp InternReadFile out-of-bounds

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

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.

CVSS 4.8 · Medium · EPSS 0.3% · Fix available

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
    Affected ranges
    • ECOSYSTEM: < 6.0.3+ds-1

    Update to 6.0.3+ds-1

  • 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

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