The remote Debian 12 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4644 advisory.

    -------------------------------------------------------------------------     Debian LTS Advisory DLA-4644-1                debian-lts@lists.debian.org     https://www.debian.org/lts/security/                   Andreas Henriksson     June 24, 2026                                 https://wiki.debian.org/LTS
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    Package        : libmatio     Version        : 1.5.23-2+deb12u1     CVE ID         : CVE-2025-2337 CVE-2025-2338 CVE-2025-50343     Debian Bug     : 1100992 1104247 1124797

    Multiple vulnerabilities has been discovered in libmatio, a MAT File I/O     Library.

    CVE-2025-2337

      A vulnerability, which was classified as critical, has been found in       libmatio Mat_VarPrint function. The manipulation leads to heap-based buffer       overflow. The attack may be initiated remotely. The exploit has been       disclosed to the public and may be used.

    CVE-2025-2338

      A Denial of Service (DoS) and head-based buffer overflow was found, which       could potentially lead to remote code execution if libmatio is embedded in       services that accepts user-supplied .mat files.

    CVE-2025-50343

      A Denial of Service (DoS) and in certain cases heap corruption vulnerability       was found, which could lead to potential remote code execution if libmatio is       embedded in services that accepts user-supplied .mat files.

    For Debian 12 bookworm, these problems have been fixed in version     1.5.23-2+deb12u1.

    For Debian 11 bullseye, see separate DLA-4459-1.

    We recommend that you upgrade your libmatio packages.

    For the detailed security status of libmatio please refer to     its security tracker page at:
    https://security-tracker.debian.org/tracker/libmatio

    Further information about Debian LTS security advisories, how to apply     these updates to your system and frequently asked questions can be     found at: https://wiki.debian.org/LTS     Attachment:
    signature.asc     Description: PGP signature

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

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

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Debian dla-4644 : libmatio-dev - security update

medium Nessus Plugin ID 322406

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Version 1.2

Version 1.1

Version 1.3 Jul 21, 2026, 8:31 PM CVSS metrics ("CVSSv2 score" set to 7.5) CVSS metrics ("CVSSv2 vector" set to "CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P") Plugin Feed: 202607212031
Version 1.2 Jun 25, 2026, 9:10 AM CVSS metrics ("CVSSv2 score" set to 9.4) CVSS metrics ("CVSSv2 vector" set to "CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:C") Plugin Feed: 202606250910
Version 1.1 Jun 25, 2026, 4:10 AM New Plugin Feed: 202606250410