RockyLinux 9 : webkit2gtk3 (RLSA-2026:84583)

critical Nessus Plugin ID 367806

Synopsis

The remote RockyLinux host is missing one or more security updates.

Description

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-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 RockyLinux 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.

Plugin Details

Severity: Critical

ID: 367806

File Name: rocky_linux_RLSA-2026-84583.nasl

Version: 1.1

Type: Local

Family: Rocky Linux Local Security Checks

Published: 10/20/2026

Updated: 10/20/2026

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

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

CPE: cpe:/o:rocky:linux:9, p-cpe:/a:rocky:linux:webkit2gtk3-debuginfo, p-cpe:/a:rocky:linux:webkit2gtk3-debugsource, p-cpe:/a:rocky:linux:webkit2gtk3-devel-debuginfo, p-cpe:/a:rocky:linux:webkit2gtk3-devel, p-cpe:/a:rocky:linux:webkit2gtk3-jsc-debuginfo, p-cpe:/a:rocky:linux:webkit2gtk3-jsc-devel-debuginfo, p-cpe:/a:rocky:linux:webkit2gtk3-jsc-devel, p-cpe:/a:rocky:linux:webkit2gtk3-jsc, p-cpe:/a:rocky:linux:webkit2gtk3

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RockyLinux/release, Host/RockyLinux/rpm-list

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

IAVA: 2026-A-0942-S

Detections

Analytics