Rocky Linux 10 [CIQ] Security Update: glibc / glibc-all-langpacks / glibc-benchtests / etc Multiple Vulnerabilities (crlsa-2026_19061)

medium Nessus Plugin ID 356280

Synopsis

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

Description

The Rocky Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-2026_19061 advisory.

* glibc: glibc: Incorrect DNS response parsing via crafted DNS server response (CVE-2026-4437)

* glibc: glibc: Invalid DNS hostname returned via gethostbyaddr functions (CVE-2026-4438)

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_19061.

Plugin Details

Severity: Medium

ID: 356280

File Name: ciq_rocky_linux_10_crlsa-2026_19061.nasl

Version: 1.1

Type: Local

Family: Rocky Linux Local Security Checks

Published: 10/1/2026

Updated: 10/1/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.73

Vendor

Vendor Severity: Unknown

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 5

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

CVSS Score Source: CVE-2026-4437

CVSS v3

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4.9

Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

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

CVSS Score Source: CVE-2026-4438

Vulnerability Information

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/29/2026

Vulnerability Publication Date: 2/5/2026

Reference Information

CVE: CVE-2026-4437, CVE-2026-4438

Detections

Analytics