RockyLinux 8 : bind9.16 (RLSA-2026:54509)

high Nessus Plugin ID 335348

Synopsis

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

Description

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:54509 advisory.

* bind9: bind: Potential wildcard CNAME RPZ policy bypass (CVE-2026-11331)

* bind: bind9: DNSSEC Validation Bypass via Out-of-Zone NSEC Next Field (CVE-2026-13321)

* bind: bind9: Potential memory usage beyond configured limits (CVE-2026-11622)

* bind: bind9: Cache poisoning via label count discrepancy, RRSIG, wildcards (CVE-2026-11721)

* bind: bind9: Unexpected exit with NSEC and NSEC3 both present (CVE-2026-13204)

* bind: bind9: Incorrect acceptance of NSEC3 records (CVE-2026-10723)

Tenable has extracted the preceding description block directly from the RockyLinux 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 packages.

Plugin Details

Severity: High

ID: 335348

File Name: rocky_linux_RLSA-2026-54509.nasl

Version: 1.1

Type: Local

Family: Rocky Linux Local Security Checks

Published: 8/14/2026

Updated: 8/14/2026

Supported Sensors: Nessus Agent, Continuous Assessment, 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:rocky:linux:8, p-cpe:/a:rocky:linux:bind9.16-chroot, p-cpe:/a:rocky:linux:bind9.16-debuginfo, p-cpe:/a:rocky:linux:bind9.16-debugsource, p-cpe:/a:rocky:linux:bind9.16-devel, p-cpe:/a:rocky:linux:bind9.16-dnssec-utils-debuginfo, p-cpe:/a:rocky:linux:bind9.16-dnssec-utils, p-cpe:/a:rocky:linux:bind9.16-doc, p-cpe:/a:rocky:linux:bind9.16-libs-debuginfo, p-cpe:/a:rocky:linux:bind9.16-libs, p-cpe:/a:rocky:linux:bind9.16-license, p-cpe:/a:rocky:linux:bind9.16-utils-debuginfo, p-cpe:/a:rocky:linux:bind9.16-utils, p-cpe:/a:rocky:linux:bind9.16, p-cpe:/a:rocky:linux:python3-bind9.16

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/14/2026

Vulnerability Publication Date: 7/22/2026

Reference Information

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

Detections

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