openSUSE 16: MozillaFirefox / MozillaFirefox-branding-upstream / etc (openSUSE-SU-2026:21519-1)

critical Nessus Plugin ID 332102

Synopsis

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

Description

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21519-1 advisory.

- Update to 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-2026-16362: Use-after-free in the WebRTC: Audio/Video 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-2026-16363: JIT miscompilation in the JavaScript: WebAssembly component
* CVE-2026-16353: Invalid pointer in the DOM: Bindings (WebIDL) component
* CVE-2026-16354: Information disclosure in the Graphics: ImageLib component
* CVE-2026-16368: Incorrect boundary conditions in the JavaScript: WebAssembly component
* CVE-2026-16369: Integer overflow in the JavaScript: WebAssembly 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-2026-16371: 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-2026-16358: Site isolation issue in the Graphics: WebRender 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-2026-16359: Incorrect boundary conditions in the Audio/Video: GMP 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
* 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
- Remove obsolete `mozilla-nss-certs` (bsc#1269226).

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 packages.

See Also

https://bugzilla.suse.com/1269226

https://bugzilla.suse.com/1271649

https://www.suse.com/security/cve/CVE-2026-12289

https://www.suse.com/security/cve/CVE-2026-12290

https://www.suse.com/security/cve/CVE-2026-12291

https://www.suse.com/security/cve/CVE-2026-12292

https://www.suse.com/security/cve/CVE-2026-12294

https://www.suse.com/security/cve/CVE-2026-12295

https://www.suse.com/security/cve/CVE-2026-12296

https://www.suse.com/security/cve/CVE-2026-12297

https://www.suse.com/security/cve/CVE-2026-12298

https://www.suse.com/security/cve/CVE-2026-12299

https://www.suse.com/security/cve/CVE-2026-12302

https://www.suse.com/security/cve/CVE-2026-12304

https://www.suse.com/security/cve/CVE-2026-12305

https://www.suse.com/security/cve/CVE-2026-12306

https://www.suse.com/security/cve/CVE-2026-12307

https://www.suse.com/security/cve/CVE-2026-12308

https://www.suse.com/security/cve/CVE-2026-12309

https://www.suse.com/security/cve/CVE-2026-12310

https://www.suse.com/security/cve/CVE-2026-12311

https://www.suse.com/security/cve/CVE-2026-12312

https://www.suse.com/security/cve/CVE-2026-12313

https://www.suse.com/security/cve/CVE-2026-12314

https://www.suse.com/security/cve/CVE-2026-12315

https://www.suse.com/security/cve/CVE-2026-12324

https://www.suse.com/security/cve/CVE-2026-12325

https://www.suse.com/security/cve/CVE-2026-12327

https://www.suse.com/security/cve/CVE-2026-12328

https://www.suse.com/security/cve/CVE-2026-12329

https://www.suse.com/security/cve/CVE-2026-12330

https://www.suse.com/security/cve/CVE-2026-15718

https://www.suse.com/security/cve/CVE-2026-15719

https://www.suse.com/security/cve/CVE-2026-16349

https://www.suse.com/security/cve/CVE-2026-16350

https://www.suse.com/security/cve/CVE-2026-16351

https://www.suse.com/security/cve/CVE-2026-16352

https://www.suse.com/security/cve/CVE-2026-16353

https://www.suse.com/security/cve/CVE-2026-16354

https://www.suse.com/security/cve/CVE-2026-16355

https://www.suse.com/security/cve/CVE-2026-16356

https://www.suse.com/security/cve/CVE-2026-16357

https://www.suse.com/security/cve/CVE-2026-16358

https://www.suse.com/security/cve/CVE-2026-16359

https://www.suse.com/security/cve/CVE-2026-16360

https://www.suse.com/security/cve/CVE-2026-16361

https://www.suse.com/security/cve/CVE-2026-16362

https://www.suse.com/security/cve/CVE-2026-16363

https://www.suse.com/security/cve/CVE-2026-16368

https://www.suse.com/security/cve/CVE-2026-16369

https://www.suse.com/security/cve/CVE-2026-16371

https://www.suse.com/security/cve/CVE-2026-16374

https://www.suse.com/security/cve/CVE-2026-16375

https://www.suse.com/security/cve/CVE-2026-16377

https://www.suse.com/security/cve/CVE-2026-16379

https://www.suse.com/security/cve/CVE-2026-16381

https://www.suse.com/security/cve/CVE-2026-16383

https://www.suse.com/security/cve/CVE-2026-16387

https://www.suse.com/security/cve/CVE-2026-16390

https://www.suse.com/security/cve/CVE-2026-16391

https://www.suse.com/security/cve/CVE-2026-16396

https://www.suse.com/security/cve/CVE-2026-16405

https://www.suse.com/security/cve/CVE-2026-16412

Plugin Details

Severity: Critical

ID: 332102

File Name: openSUSE-2026-21519-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 8/5/2026

Updated: 8/5/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.92

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:opensuse:16.0, p-cpe:/a:novell:opensuse:mozillafirefox-branding-upstream, p-cpe:/a:novell:opensuse:mozillafirefox-devel, p-cpe:/a:novell:opensuse:mozillafirefox-translations-common, p-cpe:/a:novell:opensuse:mozillafirefox-translations-other, p-cpe:/a:novell:opensuse: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: 8/3/2026

Vulnerability Publication Date: 6/15/2026

Reference Information

CVE: CVE-2026-12289, CVE-2026-12290, CVE-2026-12291, CVE-2026-12292, CVE-2026-12294, CVE-2026-12295, CVE-2026-12296, CVE-2026-12297, CVE-2026-12298, CVE-2026-12299, CVE-2026-12302, CVE-2026-12304, CVE-2026-12305, CVE-2026-12306, CVE-2026-12307, CVE-2026-12308, CVE-2026-12309, CVE-2026-12310, CVE-2026-12311, CVE-2026-12312, CVE-2026-12313, CVE-2026-12314, CVE-2026-12315, CVE-2026-12324, CVE-2026-12325, CVE-2026-12327, CVE-2026-12328, CVE-2026-12329, CVE-2026-12330, 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