Debian dsa-6285 : bind9 - security update

critical Nessus Plugin ID 315942

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Synopsis

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

Description

The remote Debian 12 / 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6285 advisory.

- ------------------------------------------------------------------------- Debian Security Advisory DSA-6285-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff May 20, 2026 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : bind9 CVE ID : CVE-2026-3039 CVE-2026-3592 CVE-2026-5946 CVE-2026-5950 CVE-2026-5947 CVE-2026-3593

Several vulnerabilities were discovered in BIND, a DNS server implementation, which may result in denial of service.

For the oldstable distribution (bookworm), these problems have been fixed in version 1:9.18.49-1~deb12u1.

For the stable distribution (trixie), these problems have been fixed in version 1:9.20.23-1~deb13u1.

We recommend that you upgrade your bind9 packages.

For the detailed security status of bind9 please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/bind9

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 bind9 packages.

Plugin Details

Severity: Critical

ID: 315942

File Name: debian_DSA-6285.nasl

Version: 1.3

Type: Local

Agent: unix

Family: Debian Local Security Checks

Published: 5/20/2026

Updated: 5/25/2026

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2026-3593

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:bind9, p-cpe:/a:debian:debian_linux:bind9-doc, p-cpe:/a:debian:debian_linux:bind9-host, p-cpe:/a:debian:debian_linux:bind9utils, p-cpe:/a:debian:debian_linux:dnsutils, p-cpe:/a:debian:debian_linux:bind9-dev, p-cpe:/a:debian:debian_linux:bind9-dnsutils, p-cpe:/a:debian:debian_linux:bind9-libs, p-cpe:/a:debian:debian_linux:bind9-utils, cpe:/o:debian:debian_linux:12.0, cpe:/o:debian:debian_linux:13.0

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/20/2026

Vulnerability Publication Date: 5/20/2026

Reference Information

CVE: CVE-2026-3039, CVE-2026-3592, CVE-2026-3593, CVE-2026-5946, CVE-2026-5947, CVE-2026-5950

IAVA: 2026-A-0498

Detections

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