Rocky Linux 9 [CIQ] Security Update: glibc / glibc-all-langpacks / glibc-benchtests / etc Multiple Vulnerabilities (crlsa-2026_79281)

critical Nessus Plugin ID 364594

Synopsis

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

Description

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-2026_79281 advisory.

* glibc: Glibc: Denial of Service via stack exhaustion during tilde expansion (CVE-2026-6791)

* glibc: glibc: Process abort due to invalid memory in wordexp (CVE-2026-6368)

* glibc: Fix out-of-bounds array write in tdelete (CVE-2026-19542)

* glibc: Non-progress DoS in SHIFT_JISX0213 -> (CVE-2026-77117)

* glibc: Non-progress DoS in SHIFT_JISX0213 -> UCS-4 conversion state (CVE-2026-80489)

* glibc: glibc: Heap buffer overflow via attacker-controlled fopen mode string (CVE-2026-18374)

Bug Fix(es) and Enhancement(s):

* glibc: Stop shipping glibc32-debuginfo package (in debug channels) [rhel-9] (JIRA:Rocky Linux-219516)

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_79281.

Plugin Details

Severity: Critical

ID: 364594

File Name: ciq_rocky_linux_9_crlsa-2026_79281.nasl

Version: 1.1

Type: Local

Family: Rocky Linux Local Security Checks

Published: 10/12/2026

Updated: 10/12/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.68

Vendor

Vendor Severity: Unknown

CVSS v2

Risk Factor: Medium

Base Score: 5.7

Temporal Score: 4.2

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

CVSS Score Source: CVE-2026-6791

CVSS v3

Risk Factor: Medium

Base Score: 5.6

Temporal Score: 4.9

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

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

CVSS Score Source: CVE-2026-19542

CVSS v4

Risk Factor: Critical

Base Score: 9

Threat Score: 6.6

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/10/2026

Vulnerability Publication Date: 8/10/2026

Reference Information

CVE: CVE-2026-18374, CVE-2026-19542, CVE-2026-6368, CVE-2026-6791, CVE-2026-77117, CVE-2026-80489

Detections

Analytics