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Fedora 43 : bind9-next (2026-b31c8d8e83)

high Nessus Plugin ID 297453

Synopsis

The remote Fedora host is missing one or more security updates.

Description

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-b31c8d8e83 advisory.

 # Update to 9.21.17 (rhbz#2415843)

 ## Security Fixes:

 - Fix incorrect length checks for BRID and HHIT records. (CVE-2025-13878)

 ## New Features:

 - Add support for Extended DNS Error 9 (Missing DNSKEY).
 - Add support for Extended DNS Error 13 (Cached Error).
 - Add support for Generalized DNS Notifications.

 # Features Changes:

 - Add more information to the rndc recursing output about fetches.
 - Enforce bounds of multiple configuration options.

 ## Bug Fixes:

 - Fix inbound IXFR performance regression.
 - Make DNSSEC key rollovers more robust.
 - Fix a catalog zone issue, where member zones could fail to load.
 - Fix slow speed when signing a large delegation zone with NSEC3 opt-out.
 - Reconfiguring an NSEC3 opt-out zone to NSEC caused the zone to be invalid.
 - Fix a possible catalog zone issue during reconfiguration.
 - Fix the charts in the statistics channel.

 https://downloads.isc.org/isc/bind9/9.21.17/doc/arm/html/notes.html#notes-for-bind-9-21-17


Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected 32:bind9-next package.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2026-b31c8d8e83

Plugin Details

Severity: High

ID: 297453

File Name: fedora_2026-b31c8d8e83.nasl

Version: 1.1

Type: local

Agent: unix

Published: 1/31/2026

Updated: 1/31/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2025-13878

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: p-cpe:/a:fedoraproject:fedora:bind9-next, cpe:/o:fedoraproject:fedora:43

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 1/22/2026

Vulnerability Publication Date: 1/21/2026

Reference Information

CVE: CVE-2025-13878