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Debian dla-4865 : bind9 - security update

medium Nessus Plugin ID 372660

Synopsis

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

Description

The remote Debian 12 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4865 advisory.

 - ------------------------------------------------------------------------- Debian LTS Advisory DLA-4865-1 [email protected] https://www.debian.org/lts/security/ Bastien Roucaris October 27, 2026 https://wiki.debian.org/LTS
 - -------------------------------------------------------------------------

 Package : bind9 Version : 1:9.18.49-1~deb12u3 CVE ID : CVE-2026-19033 CVE-2026-19662 CVE-2026-19666 CVE-2026-19667 CVE-2026-19941 CVE-2026-75029 CVE-2026-78301 CVE-2026-80274 CVE-2026-81563 CVE-2026-81736

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

 For Debian 12 bookworm, these problems have been fixed in version 1:9.18.49-1~deb12u3.

 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 LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS

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.

See Also

https://packages.debian.org/source/bookworm/bind9

https://security-tracker.debian.org/tracker/CVE-2026-19033

https://security-tracker.debian.org/tracker/CVE-2026-19662

https://security-tracker.debian.org/tracker/CVE-2026-19666

https://security-tracker.debian.org/tracker/CVE-2026-19667

https://security-tracker.debian.org/tracker/CVE-2026-19941

https://security-tracker.debian.org/tracker/CVE-2026-75029

https://security-tracker.debian.org/tracker/CVE-2026-78301

https://security-tracker.debian.org/tracker/CVE-2026-80274

https://security-tracker.debian.org/tracker/CVE-2026-81563

https://security-tracker.debian.org/tracker/CVE-2026-81736

https://security-tracker.debian.org/tracker/source-package/bind9

Plugin Details

Severity: Medium

ID: 372660

File Name: debian_DLA-4865.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 10/27/2026

Updated: 10/27/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.2

Percentile: 96.33

CVSS v2

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 4.5

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

CVSS Score Source: CVE-2026-19033

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

Vulnerability Information

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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/27/2026

Vulnerability Publication Date: 9/16/2026

Reference Information

CVE: CVE-2026-19033, CVE-2026-19662, CVE-2026-19666, CVE-2026-19667, CVE-2026-19941, CVE-2026-75029, CVE-2026-78301, CVE-2026-80274, CVE-2026-81563, CVE-2026-81736

IAVA: 2026-A-1029-S