The remote Debian 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6424 advisory.

    - -------------------------------------------------------------------------     Debian Security Advisory DSA-6424-1                   security@debian.org     https://www.debian.org/security/                       Moritz Muehlenhoff     August 09, 2026                       https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package        : xen     CVE ID         : CVE-2025-10263 CVE-2025-54505 CVE-2025-54518 CVE-2026-23554                      CVE-2026-23555 CVE-2026-23556 CVE-2026-23557 CVE-2026-23558                      CVE-2026-42487 CVE-2026-42488 CVE-2026-42489 CVE-2026-42490                      CVE-2026-42493 CVE-2026-42494 CVE-2026-42495 CVE-2026-62423                      CVE-2026-62424 CVE-2026-62425 CVE-2026-62426 CVE-2026-62427                      CVE-2026-62428 CVE-2026-62429 CVE-2026-62430 CVE-2026-62431                      CVE-2026-62432 CVE-2026-62433 CVE-2026-62434 CVE-2026-62435                      CVE-2026-62436

    Multiple vulnerabilities have been discovered in the Xen hypervisor,     which could result in privilege escalation, information disclosure or     denial of service.

    For the stable distribution (trixie), these problems have been fixed in     version 4.20.3+127-gc42374a105-0+deb13u1.

    We recommend that you upgrade your xen packages.

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

    Further information about Debian Security Advisories, how to apply     these updates to your system and frequently asked questions can be     found at: https://www.debian.org/security/

    Mailing list: debian-security-announce@lists.debian.org

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 dsa-6424 : libxen-dev - security update

critical Nessus Plugin ID 333555

Version 1.1