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Rocky Linux 10.2 [CIQ] Security Update: python3-unbound / python3-unbound-debuginfo / unbound / etc Multiple Vulnerabilities (crlsa-2026_36320)

high Nessus Plugin ID 358466

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Synopsis

The Rocky Linux host is missing one or more security updates.

Description

The Rocky Linux 10.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-2026_36320 advisory.

 * unbound: Unbound: Denial of Service via excessive EDNS options (CVE-2026-41292)

 * unbound: Unbound: Cache manipulation via 'ghost domain names' attack (CVE-2026-40622)

 * unbound: Unbound: Denial of Service due to excessive resource consumption with large DNS Resource Record Sets (CVE-2026-44390)

 * unbound: Unbound: Denial of Service due to degraded resolution performance in jostle logic (CVE-2026-42534)

Tenable has extracted the preceding description block directly from the CIQ 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 based on the guidance in CIQ advisory crlsa-2026_36320.

See Also

https://access.redhat.com/errata/RHSA-2026:36320

https://bugzilla.redhat.com/show_bug.cgi?id=2480125

https://bugzilla.redhat.com/show_bug.cgi?id=2480127

https://bugzilla.redhat.com/show_bug.cgi?id=2480130

https://bugzilla.redhat.com/show_bug.cgi?id=2480131

https://errata.build.resf.org/RLSA-2026:36320

http://www.nessus.org/u?12efc4c0

http://www.nessus.org/u?65503296

Plugin Details

Severity: High

ID: 358466

File Name: ciq_rocky_linux_10_2_crlsa-2026_36320.nasl

Version: 1.1

Type: Local

Published: 10/1/2026

Updated: 10/1/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.75

Vendor

Vendor Severity: Unknown

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-2026-40622

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:H/A:N

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

CVSS v4

Risk Factor: High

Base Score: 8.7

Threat Score: 6.6

Threat Vector: CVSS:4.0/E:U

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

CVSS Score Source: CVE-2026-41292

Vulnerability Information

Required KB Items: Host/OS/extended-third-party, Host/local_checks_enabled, Host/RockyLinux/release, Host/RockyLinux/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 7/28/2026

Vulnerability Publication Date: 5/20/2026

Reference Information

CVE: CVE-2026-40622, CVE-2026-41292, CVE-2026-42534, CVE-2026-44390