SUSE SLES12 Security Update : MozillaFirefox (SUSE-SU-2025:02123-1)

critical Nessus Plugin ID 240713

Synopsis

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

Description

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:02123-1 advisory.

Update to MozillaFirefox 128.12.0 (MFSA 2025-23, bsc#1244670):

- CVE-2025-6424: Use-after-free in FontFaceSet
- CVE-2025-6425: The WebCompat WebExtension shipped with Firefox exposed a persistent UUID
- CVE-2025-6426: No warning when opening executable terminal files on macOS
- CVE-2025-6429: Incorrect parsing of URLs could have allowed embedding of youtube.com
- CVE-2025-6430: Content-Disposition header ignored when a file is included in an embed or object tag

Tenable has extracted the preceding description block directly from the SUSE 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 MozillaFirefox, MozillaFirefox-devel and / or MozillaFirefox-translations-common packages.

Plugin Details

Severity: Critical

ID: 240713

File Name: suse_SU-2025-02123-1.nasl

Version: 1.2

Type: local

Agent: unix

Family: SuSE Local Security Checks

Published: 6/27/2025

Updated: 6/27/2025

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

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-2025-6426

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

CVSS Score Source: CVE-2025-6424

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:mozillafirefox, p-cpe:/a:novell:suse_linux:mozillafirefox-devel, p-cpe:/a:novell:suse_linux:mozillafirefox-translations-common

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/26/2025

Vulnerability Publication Date: 6/24/2025

Reference Information

CVE: CVE-2025-6424, CVE-2025-6425, CVE-2025-6426, CVE-2025-6429, CVE-2025-6430

IAVA: 2025-A-0451

SuSE: SUSE-SU-2025:02123-1

Detections

Analytics