AlmaLinux 9 : webkit2gtk3 (ALSA-2025:23700)

high Nessus Plugin ID 279612

Synopsis

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

Description

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2025:23700 advisory.

* webkitgtk: webkitgtk: Use-after-free due to improper memory management (CVE-2025-43529)
* webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2025-43501)
* webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2025-43531)
* webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2025-43535)
* webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2025-43536)
* webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash (CVE-2025-43541)

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

https://errata.almalinux.org/9/ALSA-2025-23700.html

https://access.redhat.com/errata/RHSA-2025:23700

Plugin Details

Severity: High

ID: 279612

File Name: alma_linux_ALSA-2025-23700.nasl

Version: 1.1

Type: local

Published: 12/23/2025

Updated: 12/23/2025

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.4

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.3

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

CVSS Score Source: CVE-2025-43541

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 8.2

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

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

CVSS Score Source: CVE-2025-43529

Vulnerability Information

CPE: cpe:/o:alma:linux:9::highavailability, cpe:/o:alma:linux:9::resilientstorage, cpe:/o:alma:linux:9::appstream, cpe:/o:alma:linux:9::realtime, cpe:/o:alma:linux:9, cpe:/o:alma:linux:9::sap_hana, cpe:/o:alma:linux:9::supplementary, p-cpe:/a:alma:linux:webkit2gtk3-devel, cpe:/o:alma:linux:9::sap, p-cpe:/a:alma:linux:webkit2gtk3-jsc-devel, cpe:/o:alma:linux:9::crb, cpe:/o:alma:linux:9::nfv, p-cpe:/a:alma:linux:webkit2gtk3-jsc, cpe:/o:alma:linux:9::baseos, 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: 12/18/2025

Vulnerability Publication Date: 12/15/2025

CISA Known Exploited Vulnerability Due Dates: 1/5/2026

Reference Information

CVE: CVE-2025-43501, CVE-2025-43529, CVE-2025-43531, CVE-2025-43535, CVE-2025-43536, CVE-2025-43541

CWE: 119, 120, 362, 416, 825, 843

RHSA: 2025:23700