Detections
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Fedora 42 : webkitgtk (2025-fcc043d407)

critical Nessus Plugin ID 265819

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Synopsis

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

Description

The remote Fedora 42 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2025-fcc043d407 advisory.

 Update to 2.50.0:

 * Improved rendering performance by recording each layer once and replaying every dirty region in different worker threads.
 * Enable damage propagation to the UI process by default.
 * CSS property font-variant-emoji is now enabled by default.
 * Font synthesis properties (bold/italic) are now properly handled.
 * Ensure web view is focused on tap gesture.
 * Added new API to get the theme color of a WebKitWebView.
 * Fix CVE-2025-43272, CVE-2025-43342, CVE-2025-43356, CVE-2025-43368




Tenable has extracted the preceding description block directly from the Fedora 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 webkitgtk package.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2025-fcc043d407

Plugin Details

Severity: Critical

ID: 265819

File Name: fedora_2025-fcc043d407.nasl

Version: 1.1

Type: local

Agent: unix

Published: 9/25/2025

Updated: 9/25/2025

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2025-43342

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: cpe:/o:fedoraproject:fedora:42, p-cpe:/a:fedoraproject:fedora:webkitgtk

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/20/2025

Vulnerability Publication Date: 9/15/2025

Reference Information

CVE: CVE-2025-43272, CVE-2025-43342, CVE-2025-43356, CVE-2025-43368