Debian dsa-6134 : pdns-recursor - security update

medium Nessus Plugin ID 299057

Synopsis

The remote Debian host is missing one or more security-related updates.

Description

The remote Debian 13 host has a package installed that is affected by multiple vulnerabilities as referenced in the dsa-6134 advisory.

- ------------------------------------------------------------------------- Debian Security Advisory DSA-6134-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff February 13, 2026 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : pdns-recursor CVE ID : CVE-2026-0398 CVE-2026-24027

Two vulnerabiliites have been discovered in PDNS Recursor, a resolving name server which result result in denial of service when processing a malformed zone file.

For the stable distribution (trixie), these problems have been fixed in version 5.2.8-0+deb13u1.

We recommend that you upgrade your pdns-recursor packages.

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

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: [email protected]

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.

Solution

Upgrade the pdns-recursor packages.

See Also

http://www.nessus.org/u?51aad11d

https://security-tracker.debian.org/tracker/CVE-2026-0398

https://security-tracker.debian.org/tracker/CVE-2026-24027

https://packages.debian.org/source/trixie/pdns-recursor

Plugin Details

Severity: Medium

ID: 299057

File Name: debian_DSA-6134.nasl

Version: 1.1

Type: local

Agent: unix

Published: 2/14/2026

Updated: 2/14/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 2.2

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2026-24027

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:13.0, p-cpe:/a:debian:debian_linux:pdns-recursor

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 2/13/2026

Vulnerability Publication Date: 2/9/2026

Reference Information

CVE: CVE-2026-0398, CVE-2026-24027