Rocky Linux 8 [CIQ] Security Update: compat-libpthread-nonshared / glibc / glibc-all-langpacks / etc Multiple Vulnerabilities (crlsa-2026_76777)

critical Nessus Plugin ID 364368

Synopsis

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

Description

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-2026_76777 advisory.

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

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

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_76777.

See Also

https://access.redhat.com/errata/RHSA-2026:76777

https://bugzilla.redhat.com/show_bug.cgi?id=2513603

https://bugzilla.redhat.com/show_bug.cgi?id=2513608

https://errata.build.resf.org/RLSA-2026:76777

http://www.nessus.org/u?11f4a3b5

http://www.nessus.org/u?9ea9221e

Plugin Details

Severity: Critical

ID: 364368

File Name: ciq_rocky_linux_8_crlsa-2026_76777.nasl

Version: 1.1

Type: Local

Published: 10/9/2026

Updated: 10/9/2026

Supported Sensors: Nessus Agent, Continuous Assessment, 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: 5.9

Temporal Score: 5.2

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

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

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: 10/8/2026

Vulnerability Publication Date: 8/10/2026

Reference Information

CVE: CVE-2026-6368, CVE-2026-6791