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RockyLinux 9 : unbound (RLSA-2026:18931)

high Nessus Plugin ID 317414

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Synopsis

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

Description

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:18931 advisory.

 * unbound: DNSBomb vulnerability (CVE-2024-33655)

 * unbound: Unbound domain hijacking via promiscuous records (CVE-2025-11411)

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.

See Also

https://errata.rockylinux.org/RLSA-2026:18931

https://bugzilla.redhat.com/show_bug.cgi?id=2279942

https://bugzilla.redhat.com/show_bug.cgi?id=2405706

Plugin Details

Severity: High

ID: 317414

File Name: rocky_linux_RLSA-2026-18931.nasl

Version: 1.1

Type: Local

Published: 5/28/2026

Updated: 5/28/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 3.9

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

CVSS Score Source: CVE-2025-11411

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

CVSS Score Source: CVE-2024-33655

CVSS v4

Risk Factor: High

Base Score: 7.1

Threat Score: 4.1

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:H/SA:H

Vulnerability Information

CPE: p-cpe:/a:rocky:linux:unbound, p-cpe:/a:rocky:linux:python3-unbound, p-cpe:/a:rocky:linux:python3-unbound-debuginfo, p-cpe:/a:rocky:linux:unbound-libs-debuginfo, p-cpe:/a:rocky:linux:unbound-devel, p-cpe:/a:rocky:linux:unbound-libs, p-cpe:/a:rocky:linux:unbound-debuginfo, p-cpe:/a:rocky:linux:unbound-dracut, cpe:/o:rocky:linux:9, p-cpe:/a:rocky:linux:unbound-debugsource

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: 5/28/2026

Vulnerability Publication Date: 5/9/2024

Reference Information

CVE: CVE-2024-33655, CVE-2025-11411