Fedora 43 : bind (2026-875d2a5154)

high Nessus Plugin ID 341822

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-2026-875d2a5154 advisory.

Fixes multiple CVEs

- Potential wildcard CNAME RPZ policy bypass (CVE-2026-11331)
- Key Record using PRIVATEDNS algorithm may lead to exit (CVE-2026-10822)
- Record ordering based unexpected exit with CNAME or DNAME (CVE-2026-12617)
- Potential memory usage beyond configured limits (CVE-2026-11622)
- Cache poisoning via label count discrepancy, RRSIG, wildcards (CVE-2026-11721)
- Incorrect acceptance of NSEC3 records (CVE-2026-10723)
- Unexpected exit with NSEC and NSEC3 both present (CVE-2026-13204)
- DNSSEC Validation Bypass via Out-of-Zone NSEC Next Field (CVE-2026-13321)


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:bind package.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2026-875d2a5154

Plugin Details

Severity: High

ID: 341822

File Name: fedora_2026-875d2a5154.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 8/31/2026

Updated: 8/31/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 93.92

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:fedoraproject:fedora:43, p-cpe:/a:fedoraproject:fedora:bind

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/26/2026

Vulnerability Publication Date: 7/22/2026

Reference Information

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

FEDORA: 2026-875d2a5154

IAVA: 2026-A-0764