Debian dsa-6395 : bind9 - security update

high Nessus Plugin ID 329075

Synopsis

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

Description

The remote Debian 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6395 advisory.

- ------------------------------------------------------------------------- Debian Security Advisory DSA-6395-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso July 22, 2026 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : bind9 CVE ID : CVE-2026-10723 CVE-2026-10822 CVE-2026-11331 CVE-2026-11605 CVE-2026-11622 CVE-2026-11721 CVE-2026-12617 CVE-2026-13204 CVE-2026-13321

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

For the stable distribution (trixie), these problems have been fixed in version 1:9.20.26-1~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: High

ID: 329075

File Name: debian_DSA-6395.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Debian Local Security Checks

Published: 7/22/2026

Updated: 7/22/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.7

Percentile: 96.33

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2026-13321

CVSS v3

Risk Factor: High

Base Score: 8.6

Temporal Score: 7.5

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

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: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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/22/2026

Vulnerability Publication Date: 7/22/2026

Reference Information

CVE: CVE-2026-10723, CVE-2026-10822, CVE-2026-11331, CVE-2026-11605, CVE-2026-11622, CVE-2026-11721, CVE-2026-12617, CVE-2026-13204, CVE-2026-13321

Detections

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