Debian Linux - znc - None

Ubuntu Linux - [Unknown description]

The remote Fedora 45 host has packages installed that are affected by multiple vulnerabilities as referenced in the FEDORA-2026-3135766c09 advisory.

    Update to 1.10.3     Fix CVE-2026-82373, CVE-2026-82374, CVE-2020-11022, CVE-2020-11023


Tenable has extracted the preceding description block directly from the Fedora 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 remote Fedora 44 host has packages installed that are affected by multiple vulnerabilities as referenced in the FEDORA-2026-855d5949d1 advisory.

    Update to 1.10.3     Fix CVE-2026-82373, CVE-2026-82374, CVE-2020-11022, CVE-2020-11023



Tenable has extracted the preceding description block directly from the Fedora 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 remote Debian 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6511 advisory.

    - -------------------------------------------------------------------------     Debian Security Advisory DSA-6511-1                   security@debian.org     https://www.debian.org/security/                       Moritz Muehlenhoff     September 23, 2026                    https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package        : znc     CVE ID         : CVE-2026-82373 CVE-2026-82374

    Two security vulnerabilities were discovered in the ZNC IRC bouncer,     which could result in denial of service.

    For the stable distribution (trixie), these problems have been fixed in     version 1.9.1-2+deb13u1.

    We recommend that you upgrade your znc packages.

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

    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.

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

  - Update to 1.10.3 Fix CVE-2026-82373, CVE-2026-82374, CVE-2020-11022, CVE-2020-11023   (CVE-2026-82374)

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

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the b7ae786a-af80-11f1-9800-641c67a117d8 advisory.

    ZNC reports:
    CVE-2026-82373: Use-after-free when unloading modules,                 triggered by unprivileged users.  To mitigate, set DenyLoadMod                 to true.
    CVE-2026-82374: Null pointer dereference in crypt module,                 triggered by IRC server.
    CVE-2020-11022, CVE-2020-11023: Updated the old bundled                 vulnerable version of jQuery to 3.5.1.

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

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

ID	Name	Product	Family	Type	Severity
349772	Fedora 45 : znc / znc-clientbuffer (2026-3135766c09)	Nessus	Fedora Local Security Checks	Local	medium
349771	Fedora 44 : znc / znc-clientbuffer (2026-855d5949d1)	Nessus	Fedora Local Security Checks	Local	medium
349557	Debian dsa-6511 : znc - security update	Nessus	Debian Local Security Checks	Local	critical
349311	Linux Distros Unpatched Vulnerability : CVE-2026-82374	Nessus	Misc.	Local	critical
345467	FreeBSD : znc -- multiple vulnerabilities (b7ae786a-af80-11f1-9800-641c67a117d8)	Nessus	FreeBSD Local Security Checks	Local	medium

Detections

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CVE-2026-82374

critical

Tenable Plugins

medium

medium

critical

critical

medium