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SUSE SLES16 Security Update : MozillaFirefox (SUSE-SU-2026:20031-1)

critical Nessus Plugin ID 288034

Synopsis

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

Description

The remote SUSE Linux SLES16 / SLES_SAP16 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:20031-1 advisory.

 Changes in MozillaFirefox:

 Firefox Extended Support Release 140.6.0 ESR was released:

 * Fixed: Various security fixes.

 MFSA 2025-94 (bsc#1254551):

 * CVE-2025-14321: Use-after-free in the WebRTC: Signaling component
 * CVE-2025-14322: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component
 * CVE-2025-14323: Privilege escalation in the DOM: Notifications component
 * CVE-2025-14324: JIT miscompilation in the JavaScript Engine: JIT component
 * CVE-2025-14325: JIT miscompilation in the JavaScript Engine: JIT component
 * CVE-2025-14328: Privilege escalation in the Netmonitor component
 * CVE-2025-14329: Privilege escalation in the Netmonitor component
 * CVE-2025-14330: JIT miscompilation in the JavaScript Engine: JIT component
 * CVE-2025-14331: Same-origin policy bypass in the Request Handling component
 * CVE-2025-14333: Memory safety bugs fixed in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and Thunderbird 146

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, MozillaFirefox-translations-common and / or MozillaFirefox- translations-other packages.

See Also

https://bugzilla.suse.com/1254551

http://www.nessus.org/u?3843b745

https://www.suse.com/security/cve/CVE-2025-14321

https://www.suse.com/security/cve/CVE-2025-14322

https://www.suse.com/security/cve/CVE-2025-14323

https://www.suse.com/security/cve/CVE-2025-14324

https://www.suse.com/security/cve/CVE-2025-14325

https://www.suse.com/security/cve/CVE-2025-14328

https://www.suse.com/security/cve/CVE-2025-14329

https://www.suse.com/security/cve/CVE-2025-14330

https://www.suse.com/security/cve/CVE-2025-14331

https://www.suse.com/security/cve/CVE-2025-14333

Plugin Details

Severity: Critical

ID: 288034

File Name: suse_SU-2026-20031-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 1/16/2026

Updated: 1/16/2026

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

Risk Information

VPR

Risk Factor: High

Score: 7.1

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-2025-14330

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: p-cpe:/a:novell:suse_linux:mozillafirefox-devel, p-cpe:/a:novell:suse_linux:mozillafirefox-translations-common, p-cpe:/a:novell:suse_linux:mozillafirefox-translations-other, cpe:/o:novell:suse_linux:16, p-cpe:/a:novell:suse_linux:mozillafirefox

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: 1/12/2026

Vulnerability Publication Date: 12/9/2025

Reference Information

CVE: CVE-2025-14321, CVE-2025-14322, CVE-2025-14323, CVE-2025-14324, CVE-2025-14325, CVE-2025-14328, CVE-2025-14329, CVE-2025-14330, CVE-2025-14331, CVE-2025-14333

SuSE: SUSE-SU-2026:20031-1