Rocky Linux 8 [CIQ] Security Update: libX11 / libX11-common / libX11-debuginfo / libX11-debugsource / etc (crlsa-2026_89730)

high Nessus Plugin ID 372944

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-2026_89730 advisory.

* libX11: libX11: Heap-based buffer overflow via malicious X server (CVE-2026-88806)

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-2026_89730.

Plugin Details

Severity: High

ID: 372944

File Name: ciq_rocky_linux_8_crlsa-2026_89730.nasl

Version: 1.1

Type: Local

Family: Rocky Linux Local Security Checks

Published: 10/28/2026

Updated: 10/28/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.57

Vendor

Vendor Severity: Unknown

CVSS v2

Risk Factor: High

Base Score: 7.6

Temporal Score: 5.6

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

CVSS Score Source: CVE-2026-88806

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

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: 10/27/2026

Vulnerability Publication Date: 9/21/2026

Reference Information

CVE: CVE-2026-88806

Detections

Analytics