A vulnerability, which was classified as critical, was found in Open Asset Import Library Assimp 5.4.3. Affected is the function Assimp::MD3Importer::ValidateSurfaceHeaderOffsets of the file code/AssetLib/MD3/MD3Loader.cpp of the component File Handler. The manipulation leads to heap-based buffer overflow. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006192 advisory.

    A vulnerability, which was classified as critical, was found in Open Asset Import Library Assimp 5.4.3.
    Affected is the function Assimp::MD3Importer::ValidateSurfaceHeaderOffsets of the file     code/AssetLib/MD3/MD3Loader.cpp of the component File Handler. The manipulation leads to heap-based buffer     overflow. The attack needs to be approached locally. The exploit has been disclosed to the public and may     be used.

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The version of qt5-qt3d installed on the remote host is prior to 5.15.3-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3187 advisory.

    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. (CVE-2025-2756)

    A vulnerability, which was classified as critical, was found in Open Asset Import Library Assimp 5.4.3.
    Affected is the function Assimp::MD3Importer::ValidateSurfaceHeaderOffsets of the file     code/AssetLib/MD3/MD3Loader.cpp of the component File Handler. The manipulation leads to heap-based buffer     overflow. The attack needs to be approached locally. The exploit has been disclosed to the public and may     be used. (CVE-2025-3549)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - A vulnerability, which was classified as critical, was found in Open Asset Import Library Assimp 5.4.3.
    Affected is the function Assimp::MD3Importer::ValidateSurfaceHeaderOffsets of the file     code/AssetLib/MD3/MD3Loader.cpp of the component File Handler. The manipulation leads to heap-based buffer     overflow. The attack needs to be approached locally. The exploit has been disclosed to the public and may     be used. (CVE-2025-3549)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Severity
302325	Unity Linux 20.1070e Security Update: assimp (UTSA-2026-006192)	Nessus	Unity Linux Local Security Checks	medium
301260	Amazon Linux 2 : qt5-qt3d, --advisory ALAS2-2026-3187 (ALAS-2026-3187)	Nessus	Amazon Linux Local Security Checks	medium
248149	Linux Distros Unpatched Vulnerability : CVE-2025-3549	Nessus	Misc.	medium

Detections

Analytics

CVE-2025-3549

medium

Tenable Plugins

medium

medium

medium