SUSE SLES12: MozillaFirefox / MozillaFirefox-devel / etc (SUSE-SU-2026:3200-1)

critical Nessus Plugin ID 329294

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-2026:3200-1 advisory.

- Firefox Extended Support Release 140.13.0 ESR (MFSA 2026-70, bsc#1271649):

- CVE-2026-15718: Invalid pointer in the JavaScript: WebAssembly component.
- CVE-2026-15719: Site isolation issue in the DOM: Navigation component.
- CVE-2026-16349: Same-origin policy bypass in the DOM: Navigation component.
- CVE-2026-16350: Incorrect boundary conditions in the Audio/Video: cubeb component.
- CVE-2026-16351: Sandbox escape due to use-after-free in the DOM: Navigation component.
- CVE-2026-16352: Sandbox escape due to use-after-free in the Disability Access APIs component.
- CVE-2026-16353: Invalid pointer in the DOM: Bindings (WebIDL) component.
- CVE-2026-16354: Information disclosure in the Graphics: ImageLib component.
- CVE-2026-16355: JIT miscompilation in the JavaScript Engine: JIT component.
- CVE-2026-16356: Sandbox escape due to use-after-free in the Disability Access APIs component.
- CVE-2026-16357: Incorrect boundary conditions in the Graphics component.
- CVE-2026-16358: Site isolation issue in the Graphics: WebRender component.
- CVE-2026-16359: Incorrect boundary conditions in the Audio/Video: GMP component.
- CVE-2026-16360: Memory safety bugs fixed in Firefox ESR 115.38, Firefox ESR 140.13 and Firefox 153.
- CVE-2026-16361: Memory safety bugs fixed in Firefox ESR 115.38 and Firefox ESR 140.13.
- CVE-2026-16362: Use-after-free in the WebRTC: Audio/Video component.
- CVE-2026-16363: JIT miscompilation in the JavaScript: WebAssembly component.
- CVE-2026-16368: Incorrect boundary conditions in the JavaScript: WebAssembly component.
- CVE-2026-16369: Integer overflow in the JavaScript: WebAssembly component.
- CVE-2026-16371: Privilege escalation in the DOM: Navigation component.
- CVE-2026-16374: Information disclosure in the Framework component in DevTools.
- CVE-2026-16375: Site isolation issue in the Networking: HTTP component.
- CVE-2026-16377: Mitigation bypass in the PDF Viewer component.
- CVE-2026-16379: Privilege escalation in the DOM: Content Processes component.
- CVE-2026-16381: Same-origin policy bypass in the Networking: DNS component.
- CVE-2026-16383: Mitigation bypass in the DOM: Networking component.
- CVE-2026-16387: Site isolation issue in the Networking component.
- CVE-2026-16390: Mitigation bypass in the Enterprise Policies component.
- CVE-2026-16391: Information disclosure in the Storage: IndexedDB component.
- CVE-2026-16396: Privilege escalation in WebExtensions.
- CVE-2026-16405: Information disclosure in the Networking: WebSockets component.
- CVE-2026-16412: Memory safety bugs fixed in Firefox ESR 140.13 and Firefox 153.

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: 329294

File Name: suse_SU-2026-3200-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 7/24/2026

Updated: 7/24/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.2

Percentile: 99.69

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-2026-16412

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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:P/RL:O/RC:C

Vulnerability Information

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

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/22/2026

Vulnerability Publication Date: 7/14/2026

Reference Information

CVE: CVE-2026-15718, CVE-2026-15719, CVE-2026-16349, CVE-2026-16350, CVE-2026-16351, CVE-2026-16352, CVE-2026-16353, CVE-2026-16354, CVE-2026-16355, CVE-2026-16356, CVE-2026-16357, CVE-2026-16358, CVE-2026-16359, CVE-2026-16360, CVE-2026-16361, CVE-2026-16362, CVE-2026-16363, CVE-2026-16368, CVE-2026-16369, CVE-2026-16371, CVE-2026-16374, CVE-2026-16375, CVE-2026-16377, CVE-2026-16379, CVE-2026-16381, CVE-2026-16383, CVE-2026-16387, CVE-2026-16390, CVE-2026-16391, CVE-2026-16396, CVE-2026-16405, CVE-2026-16412

SuSE: SUSE-SU-2026:3200-1

Detections

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