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Fedora 43 : bind9-next (2026-ec095a4675)

critical Nessus Plugin ID 321079

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 multiple vulnerabilities as referenced in the FEDORA-2026-ec095a4675 advisory.

 # Update to 9.21.22 (rhbz#2480122)

 ## Security Fixes:

 - Limit resolver server list size. (CVE-2026-3592)
 - Fix GSS-API resource leak. (CVE-2026-3039)
 - Disable recursion, UPDATE, and NOTIFY for non-IN views. (CVE-2026-5946)
 - Avoid unbounded recursion loop. (CVE-2026-5950)
 - Fix crash in resolver when SIG(0)-signed responses are received under load. (CVE-2026-5947)
 - Fix use-after-free error in DNS-over-HTTPS when processing HTTP/2 SETTINGS frames. (CVE-2026-3593)
 - Fix outgoing zone transfers' quota issue.

 ## Feature Changes:

 - Fix CPU spikes and slow queries when cache approaches memory limit.
 - Implement RFC 3645 Section 4.1.1 key expiry check in TKEY.
 - Reduce memory footprint by actively returning unused memory to the OS.

 multiple bugfixes.

 Source: https://downloads.isc.org/isc/bind9/9.21.22/doc/arm/html/notes.html#notes-for-bind-9-21-22



Tenable has extracted the preceding description block directly from the Fedora 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

Update the affected 32:bind9-next package.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2026-ec095a4675

Plugin Details

Severity: Critical

ID: 321079

File Name: fedora_2026-ec095a4675.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 6/14/2026

Updated: 6/14/2026

Supported Sensors: Continuous Assessment, Nessus Agent, 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: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: 6/5/2026

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