There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:

  - Incorrect Behaviour of Views with TCP PROXY Requests (CVE-2026-41999)

  - Insufficient Validation of Names During AXFR (CVE-2026-42000)

  - Insufficient Validation of Autoprimary SOA Queries (CVE-2026-42001)

  - Concurrency and locking defects in GSS-TSIG (CVE-2026-42002)

  - Insufficient Validation of Member Zone Data May Cause Catalog Zone Transfer to Fail (CVE-2026-42396)

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

  - Insufficient Validation of Autoprimary SOA Queries (CVE-2026-42001)

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

The remote Debian 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6284 advisory.

    - -------------------------------------------------------------------------     Debian Security Advisory DSA-6284-1                   security@debian.org     https://www.debian.org/security/                       Moritz Muehlenhoff     May 20, 2026                          https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package        : pdns     CVE ID         : CVE-2026-42000 CVE-2026-42001 CVE-2026-42002 CVE-2026-42396

    Multiple vulnerabiliites have been discovered in the PowerDNS DNS server,     which could result in denial of service or information disclosure.

    For the stable distribution (trixie), these problems have been fixed in     version 4.9.15-0+deb13u1.

    We recommend that you upgrade your pdns packages.

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

    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 version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the 0823ac26-6040-11f1-ba4a-50ebf6bdf8e9 advisory.

    PowerDNS Team reports:
    2025-07: Internal logic flaw in cache management can lead to             a denial of service in Recursor     When using views, queries sent using TCP Proxy Protocol will select                 the view according to the address of the proxy, rather than the address                 of the initial query. This can lead to wrong data being returned.
    Missing escaping of special characters (such as $ or @) in DNS names                 received during an AXFR operation can lead to an incorrect                 (non-parseable) Bind backend configuration to be written, causing this                 backend to fail until manual operation is performed to fix the                 configuration.
    Missing sanity checks of the answer to the initial SOA query, when                 running in auto-secondary mode and receiving a notification for an                 not-yet-known domain may cause the server to crash.
    Multiple concurrency and locking defects in the GSS-TSIG code can                 lead to memory corruption due to accidental data structure sharing,                 which can in turn lead to a program crash.
    Missing proper escaping of double-quote characters when computing                 labels will cause AXFR of a catalog zone with a member whose producer                 group option contains such a character to fail.

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.

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-a6e5b1263b advisory.

    - Update to 5.0.5
    - Fix for CVE-2026-42000, CVE-2026-42001, CVE-2026-42002, CVE-2026-41999, CVE-2026-42396

    Security Advisory: https://doc.powerdns.com/authoritative/security-advisories/powerdns-     advisory-2026-06.html

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 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-6458693037 advisory.

    - Update to 5.0.5
    - Fix for CVE-2026-42000, CVE-2026-42001, CVE-2026-42002, CVE-2026-41999, CVE-2026-42396

    Security Advisory: https://doc.powerdns.com/authoritative/security-advisories/powerdns-     advisory-2026-06.html

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.

ID	Name	Product	Family	Published	Updated	Severity
443036	Alpine: multiple pdns packages: security update to 5.0.5-r0	Tenable Cloud Security	Alpine Linux Local Security Checks	6/10/2026	7/2/2026	high
443036	Alpine: multiple pdns packages: security update to 5.0.5-r0	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	6/10/2026	7/2/2026	high
315770	Linux Distros Unpatched Vulnerability : CVE-2026-42001	Nessus	Misc.	5/20/2026	6/2/2026	high
315941	Debian dsa-6284 : pdns-backend-bind - security update	Nessus	Debian Local Security Checks	5/20/2026	5/28/2026	high
319306	FreeBSD : PowerDNS -- Multiple vulnerabilities (0823ac26-6040-11f1-ba4a-50ebf6bdf8e9)	Nessus	FreeBSD Local Security Checks	6/6/2026	6/6/2026	high
317986	Fedora 44 : pdns (2026-a6e5b1263b)	Nessus	Fedora Local Security Checks	5/30/2026	5/30/2026	high
318013	Fedora 43 : pdns (2026-6458693037)	Nessus	Fedora Local Security Checks	5/30/2026	5/30/2026	high

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