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AlmaLinux 8 : webkit2gtk3 (ALSA-2026:84584)
critical Nessus Plugin ID 367291
Synopsis
The remote AlmaLinux host is missing one or more security updates.Description
The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:84584 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 [almalinux-8.10.z] (JIRA:AlmaLinux-274406)
Tenable has extracted the preceding description block directly from the AlmaLinux 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.See Also
Plugin Details
Severity: Critical
ID: 367291
File Name: alma_linux_ALSA-2026-84584.nasl
Version: 1.1
Type: Local
Family: Alma Linux Local Security Checks
Published: 10/19/2026
Updated: 10/19/2026
Supported Sensors: Nessus Agent, Continuous Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5
Percentile: 93.24
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:alma:linux:8, cpe:/o:alma:linux:8::appstream, cpe:/o:alma:linux:8::baseos, cpe:/o:alma:linux:8::highavailability, cpe:/o:alma:linux:8::nfv, cpe:/o:alma:linux:8::powertools, cpe:/o:alma:linux:8::realtime, cpe:/o:alma:linux:8::resilientstorage, cpe:/o:alma:linux:8::sap, cpe:/o:alma:linux:8::sap_hana, cpe:/o:alma:linux:8::supplementary, p-cpe:/a:alma:linux:webkit2gtk3-devel, p-cpe:/a:alma:linux:webkit2gtk3-jsc-devel, p-cpe:/a:alma:linux:webkit2gtk3-jsc, p-cpe:/a:alma:linux:webkit2gtk3
Required KB Items: Host/local_checks_enabled, Host/cpu, Host/AlmaLinux/release, Host/AlmaLinux/rpm-list
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 10/19/2026
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