Rocky Linux 8 [CIQ] Security Update: libX11 / libX11-common / libX11-debuginfo / libX11-debugsource / etc (crlsa-2021_4326)

critical Nessus Plugin ID 351496

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 a vulnerability as referenced in the CIQ crlsa-2021_4326 advisory.

* libX11: missing request length checks (CVE-2021-31535)

Tenable has extracted the preceding description block directly from the CIQ security advisory.

Note that Nessus has not tested for this issue 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-2021_4326.

See Also

https://access.redhat.com/errata/RHSA-2021:4326

https://bugzilla.redhat.com/show_bug.cgi?id=1961822

https://errata.build.resf.org/RLSA-2021:4326

http://www.nessus.org/u?051696ab

http://www.nessus.org/u?51025e1c

Plugin Details

Severity: Critical

ID: 351496

File Name: ciq_rocky_linux_8_crlsa-2021_4326.nasl

Version: 1.1

Type: Local

Published: 9/30/2026

Updated: 9/30/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.15

Vendor

Vendor Severity: Unknown

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

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

CVSS Score Source: CVE-2021-31535

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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

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

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: 11/9/2021

Vulnerability Publication Date: 5/27/2021

Reference Information

CVE: CVE-2021-31535