openSUSE 16: MozillaFirefox / MozillaFirefox-branding-upstream / etc (openSUSE-SU-2026:21853-1)

critical Nessus Plugin ID 347911

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-2026:21853-1 advisory.

Firefox Extended Support Release 153.2.0 ESR MFSA 2026-85 (bsc#1278001):

* CVE-2026-75874 (bmo#2039972) Sandbox escape in the Remote Settings Client component
* CVE-2026-84118 (bmo#2057457) Use-after-free in the JavaScript: GC component
* CVE-2026-84119 (bmo#2057817) Sandbox escape due to use-after-free in the DOM: Navigation component
* CVE-2026-84120 (bmo#2058911) Use-after-free in the Audio/Video component
* CVE-2026-84121 (bmo#2059018) Sandbox escape due to use-after-free in the DOM: Security
* CVE-2026-84122 (bmo#2059965)
* CVE-2026-84123 (bmo#2060047) Privilege escalation due to use-after-free in the Graphics:
WebGPU component
* CVE-2026-84124 (bmo#2061110) Use-after-free in the DOM: Core & HTML component
* CVE-2026-84125 (bmo#2063871)
* CVE-2026-74952 (bmo#2021757) Privilege escalation in the Application Update component
* CVE-2026-84129 (bmo#2055028) Site isolation issue in the DOM: Navigation component
* CVE-2026-84130 (bmo#2057834) Information disclosure in the Graphics: WebGPU component
* CVE-2026-84131 (bmo#2060008) Privilege escalation due to invalid pointer in the Graphics
* CVE-2026-84132 (bmo#2063020) Information disclosure in the Networking: HTTP component
* CVE-2026-84133 (bmo#2032388) Site isolation issue in the DOM: Push Subscriptions component
* CVE-2026-84134 (bmo#2044882) Other issue in the Profile Backup component
* CVE-2026-84136 (bmo#2048699) Other issue in the DOM: Navigation component
* CVE-2026-84137 (bmo#2051146) Spoofing issue in the DOM: Core & HTML component
* CVE-2026-84139 (bmo#2060153) Clickjacking issue in the DOM: Events component
* CVE-2026-84140 (bmo#2063780)
* CVE-2026-84141 (bmo#2063994) Integer overflow in the Graphics: ImageLib component
* CVE-2026-84143 (bmo#2048793, bmo#2054631, bmo#2054645, bmo#2054657, bmo#2055007, bmo#2055681, bmo#2057107, bmo#2057108, bmo#2057114, bmo#2058087, bmo#2058088, bmo#2058090, bmo#2058095, bmo#2058101, bmo#2059109, bmo#2059183, bmo#2059185, bmo#2061287, bmo#2061301, bmo#2061325) Internally found bugs fixed in Firefox 155, Firefox ESR 153.2 and Firefox ESR 140.15
* CVE-2026-84144 (bmo#2054619, bmo#2054620, bmo#2054624, bmo#2054625, bmo#2054691, bmo#2054702, bmo#2054726, bmo#2054775, bmo#2055703, bmo#2058006, bmo#2058013, bmo#2058085, bmo#2058098, bmo#2058627, bmo#2058661, bmo#2059002, bmo#2059127, bmo#2059128, bmo#2059144, bmo#2059180, bmo#2059191, bmo#2059192, bmo#2059199, bmo#2059205, bmo#2061320, bmo#2061430, bmo#2061495, bmo#2061505, bmo#2061521, bmo#2061532, bmo#2061775, bmo#2061799, bmo#2062395, bmo#2062404) Internally found bugs fixed in Firefox 155 and Firefox ESR 153.2
* CVE-2026-84145 (bmo#2054640, bmo#2054650, bmo#2054652, bmo#2055678, bmo#2055693, bmo#2055705, bmo#2058001, bmo#2058051, bmo#2058652, bmo#2058660, bmo#2059027, bmo#2059139, bmo#2061220, bmo#2061242, bmo#2061285, bmo#2061300, bmo#2061316, bmo#2061397, bmo#2062400, bmo#2062419) Internally found bugs fixed in Firefox 155, Firefox ESR 153.2, Firefox ESR 140.15 and Firefox ESR 115.40

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.

Plugin Details

Severity: Critical

ID: 347911

File Name: openSUSE-2026-21853-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 9/18/2026

Updated: 9/18/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 93.74

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-2026-84143

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: 9/15/2026

Vulnerability Publication Date: 8/17/2026

Reference Information

CVE: CVE-2026-74952, CVE-2026-75874, CVE-2026-84118, CVE-2026-84119, CVE-2026-84120, CVE-2026-84121, CVE-2026-84122, CVE-2026-84123, CVE-2026-84124, CVE-2026-84125, CVE-2026-84129, CVE-2026-84130, CVE-2026-84131, CVE-2026-84132, CVE-2026-84133, CVE-2026-84134, CVE-2026-84136, CVE-2026-84137, CVE-2026-84139, CVE-2026-84140, CVE-2026-84141, CVE-2026-84143, CVE-2026-84144, CVE-2026-84145

Detections

Analytics