Rocky Linux 9 [CIQ] Security Update: webkit2gtk3 / webkit2gtk3-debuginfo / webkit2gtk3-debugsource / etc Multiple Vulnerabilities (crlsa-2026_84583)

critical Nessus Plugin ID 369929

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_84583 advisory.

* chromium-browser: angle: ANGLE in Google Chrome: Information disclosure via out-of-bounds read (CVE-2026-87596)

* chromium-browser: angle: ANGLE in Google Chrome: Arbitrary code execution via crafted HTML page (CVE-2026-87500)

* chromium-browser: angle: Chromium: Arbitrary code execution via buffer overflow in ANGLE (CVE-2026-87654)

* chromium-browser: angle: Google Chrome (ANGLE): Arbitrary Code Execution vulnerability (CVE-2026-87621)

* chromium-browser: angle: Chromium-browser: Arbitrary code execution via use-after-free vulnerability in ANGLE (CVE-2026-87512)

* chromium-browser: angle: ANGLE: Arbitrary code execution in Google Chrome due to use-after-free (CVE-2026-87648)

* chromium-browser: angle: ANGLE in Google Chrome: Information disclosure via crafted HTML page (CVE-2026-87602)

* chromium-browser: angle: ANGLE in Google Chrome: Information disclosure via crafted HTML page (CVE-2026-87586)

* chromium-browser: angle: ANGLE in Google Chrome: Arbitrary code execution via out-of-bounds read (CVE-2026-87604)

* chromium-browser: angle: chromium-browser: Improper input validation in ANGLE (CVE-2026-91738)

* chromium-browser: angle: chromium-browser: Uninitialized resource in ANGLE (CVE-2026-91720)

Bug Fix(es) and Enhancement(s):

* webkit2gtk3 2.54.0 regression breaks Eclipse IDE WebKit-based views on CentOS Stream 9 [rhel-9.8.z] (JIRA:Rocky Linux-274394)

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_84583.

See Also

https://access.redhat.com/errata/RHSA-2026:84583

https://bugzilla.redhat.com/show_bug.cgi?id=2530272

https://bugzilla.redhat.com/show_bug.cgi?id=2530296

https://bugzilla.redhat.com/show_bug.cgi?id=2530305

https://bugzilla.redhat.com/show_bug.cgi?id=2530333

https://bugzilla.redhat.com/show_bug.cgi?id=2530389

https://bugzilla.redhat.com/show_bug.cgi?id=2530396

https://bugzilla.redhat.com/show_bug.cgi?id=2530447

https://bugzilla.redhat.com/show_bug.cgi?id=2530458

https://bugzilla.redhat.com/show_bug.cgi?id=2530475

https://bugzilla.redhat.com/show_bug.cgi?id=2534404

https://bugzilla.redhat.com/show_bug.cgi?id=2534673

https://errata.build.resf.org/RLSA-2026:84583

http://www.nessus.org/u?14de9a14

http://www.nessus.org/u?f077ceb2

Plugin Details

Severity: Critical

ID: 369929

File Name: ciq_rocky_linux_9_crlsa-2026_84583.nasl

Version: 1.1

Type: Local

Published: 10/21/2026

Updated: 10/21/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 93.02

Vendor

Vendor Severity: Unknown

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

CVSS Score Source: CVE-2026-91738

CVSS v3

Risk Factor: Critical

Base Score: 9.6

Temporal Score: 8.6

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/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: 10/20/2026

Vulnerability Publication Date: 9/8/2026

Reference Information

CVE: CVE-2026-87500, CVE-2026-87512, CVE-2026-87586, CVE-2026-87596, CVE-2026-87602, CVE-2026-87604, CVE-2026-87621, CVE-2026-87648, CVE-2026-87654, CVE-2026-91720, CVE-2026-91738