SUSE SLED15: MozillaFirefox / MozillaFirefox-devel / etc (SUSE-SU-2026:5229-1)

critical Nessus Plugin ID 380999

Synopsis

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

Description

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:5229-1 advisory.

Update to Firefox Extended Support Release 153.7.0 ESR (MFSA 2026-127, bsc#1289275):

- CVE-2026-118007: Use-after-free in the JavaScript: GC component.
- CVE-2026-118019: Race condition, use-after-free in the DOM: File component.
- CVE-2026-118021: Sandbox escape due to use-after-free in the XPCOM component.
- CVE-2026-118024: Use-after-free in the Graphics: Text component.
- CVE-2026-124853: Sandbox escape due to incorrect boundary conditions in the Graphics: Text component.
- CVE-2026-124854: Privilege escalation in the DOM: Navigation component.
- CVE-2026-124855: Sandbox escape in the DOM: Navigation component.
- CVE-2026-124856: Incorrect boundary conditions in the Networking: HTTP component.
- CVE-2026-124857: Use-after-free in the Graphics: Canvas2D component.
- CVE-2026-124858: Use-after-free in the DOM: HTML Parser component.
- CVE-2026-124859: Sandbox escape due to incorrect boundary conditions in the Storage: Cache API component.
- CVE-2026-124860: Use-after-free in the Audio/Video component.
- CVE-2026-124861: Sandbox escape due to use-after-free in the Audio/Video: cubeb component.
- CVE-2026-124862: Use-after-free in the DOM: Core & HTML component.
- CVE-2026-124863: Use-after-free in the DOM: HTML Parser component.
- CVE-2026-124864: Sandbox escape due to use-after-free in the DOM: Service Workers component.
- CVE-2026-124865: Use-after-free in the Audio/Video component.
- CVE-2026-124866: Use-after-free in the Layout component.
- CVE-2026-124868: Incorrect boundary conditions in the DOM: Core & HTML component.
- CVE-2026-124869: Use-after-free in the DOM: Core & HTML component.
- CVE-2026-124870: Incorrect boundary conditions in the JavaScript: GC component.
- CVE-2026-124872: Use-after-free in the Cycle Collector component.
- CVE-2026-124873: Invalid pointer in the DOM: Editor component.
- CVE-2026-124874: Same-origin policy bypass in the Networking: HTTP component.
- CVE-2026-124875: Incorrect boundary conditions in the DOM: CSS Object Model component.
- CVE-2026-124876: Use-after-free in the CSS Parsing and Computation component.
- CVE-2026-124877: Use-after-free in the Layout: Positioned component.
- CVE-2026-124879: Invalid pointer in the Networking: Cache component.
- CVE-2026-124880: Use-after-free in the DOM: Core & HTML component.
- CVE-2026-124881: Use-after-free in the CSS Parsing and Computation component.
- CVE-2026-124882: Use-after-free in the CSS Parsing and Computation component.
- CVE-2026-124883: Use-after-free in the DOM: Core & HTML component.
- CVE-2026-124884: Use-after-free in the JavaScript: GC component.
- CVE-2026-124885: Use-after-free in the Graphics: Text component.
- CVE-2026-124886: Invalid pointer in the Layout: Text and Fonts component.
- CVE-2026-124887: Incorrect boundary conditions in the Layout: Text and Fonts component.
- CVE-2026-124888: Incorrect boundary conditions in the Layout: Text and Fonts component.
- CVE-2026-124889: Use-after-free in the CSS Parsing and Computation component.
- CVE-2026-124890: Use-after-free in the DOM: Core & HTML component.
- CVE-2026-124891: Incorrect boundary conditions in the DOM: Selection component.
- CVE-2026-124892: Use-after-free in the JavaScript: GC component.
- CVE-2026-124893: Use-after-free in the DOM: Workers component.
- CVE-2026-124894: Use-after-free in the Networking: Cookies component.
- CVE-2026-124895: Use-after-free in the Storage: localStorage & sessionStorage component.
- CVE-2026-124896: Invalid pointer in the Layout: Text and Fonts component.
- CVE-2026-124897: Use-after-free in the JavaScript: GC component.
- CVE-2026-124898: Use-after-free in the DOM: Editor component.
- CVE-2026-124899: Use-after-free in the Layout: Text and Fonts component.
- CVE-2026-124901: Other issue in the Networking: JAR component.
- CVE-2026-124902: Same-origin policy bypass due to race condition in the Audio/Video component.
- CVE-2026-124903: Sandbox escape due to use-after-free in the IPC component.
- CVE-2026-124905: Sandbox escape in the DOM: Navigation component.
- CVE-2026-124906: Use-after-free in the Graphics: WebRender component.
- CVE-2026-124907: Privilege escalation, sandbox escape due to use-after-free in the Graphics: CanvasWebGL component.
- CVE-2026-124909: Information disclosure in the Private Browsing component.
- CVE-2026-124910: Mitigation bypass in the WebExtensions component.
- CVE-2026-124912: Spoofing issue in the DOM: Security component.
- CVE-2026-124913: Site isolation issue in the Networking component.
- CVE-2026-124914: Site isolation issue in the DOM: Navigation component.
- CVE-2026-124915: Incorrect boundary conditions in the Graphics: WebGPU component.
- CVE-2026-124917: Sandbox escape due to use-after-free in the Widget: Gtk component.
- CVE-2026-124918: Privilege escalation due to incorrect boundary conditions in the Graphics: WebRender component.
- CVE-2026-124919: Privilege escalation due to use-after-free in the WebRTC: Networking component.
- CVE-2026-124922: Use-after-free in the CSS Transitions and Animations component.
- CVE-2026-124924: Incorrect boundary conditions in the Graphics: WebRender component.
- CVE-2026-124926: Incorrect boundary conditions in the WebRTC component.
- CVE-2026-124927: Site isolation issue in the Graphics: WebRender component.
- CVE-2026-124929: Information disclosure in the Layout: Form Controls component.
- CVE-2026-124930: Information disclosure in the Address Bar component.
- CVE-2026-124931: Same-origin policy bypass in the DOM: Core & HTML component.
- CVE-2026-124932: Use-after-free in the Graphics component.
- CVE-2026-124933: Sandbox escape in the Console component.
- CVE-2026-124934: Spoofing issue in the Security component.
- CVE-2026-124935: Undefined behavior in the WebRTC: Networking component.
- CVE-2026-124938: Mitigation bypass in the Add-ons Manager component.
- CVE-2026-124939: JIT miscompilation in the JavaScript Engine: JIT component.
- CVE-2026-124940: Mitigation bypass in the File Handling component.
- CVE-2026-124941: Information disclosure in the Security: RLBox component.
- CVE-2026-124942: Invalid pointer in the DOM: Streams component.
- CVE-2026-124948: Incorrect boundary conditions, use-after-free in the Graphics component.
- CVE-2026-124951: Privilege escalation in the Nimbus Desktop Client component.

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/1289275

https://www.suse.com/security/cve/CVE-2026-118007

https://www.suse.com/security/cve/CVE-2026-118019

https://www.suse.com/security/cve/CVE-2026-118021

https://www.suse.com/security/cve/CVE-2026-118024

https://www.suse.com/security/cve/CVE-2026-124853

https://www.suse.com/security/cve/CVE-2026-124854

https://www.suse.com/security/cve/CVE-2026-124855

https://www.suse.com/security/cve/CVE-2026-124856

https://www.suse.com/security/cve/CVE-2026-124857

https://www.suse.com/security/cve/CVE-2026-124858

https://www.suse.com/security/cve/CVE-2026-124859

https://www.suse.com/security/cve/CVE-2026-124860

https://www.suse.com/security/cve/CVE-2026-124861

https://www.suse.com/security/cve/CVE-2026-124862

https://www.suse.com/security/cve/CVE-2026-124863

https://www.suse.com/security/cve/CVE-2026-124864

https://www.suse.com/security/cve/CVE-2026-124865

https://www.suse.com/security/cve/CVE-2026-124866

https://www.suse.com/security/cve/CVE-2026-124868

https://www.suse.com/security/cve/CVE-2026-124869

https://www.suse.com/security/cve/CVE-2026-124870

https://www.suse.com/security/cve/CVE-2026-124872

https://www.suse.com/security/cve/CVE-2026-124873

https://www.suse.com/security/cve/CVE-2026-124874

https://www.suse.com/security/cve/CVE-2026-124875

https://www.suse.com/security/cve/CVE-2026-124876

https://www.suse.com/security/cve/CVE-2026-124877

https://www.suse.com/security/cve/CVE-2026-124879

https://www.suse.com/security/cve/CVE-2026-124880

https://www.suse.com/security/cve/CVE-2026-124881

https://www.suse.com/security/cve/CVE-2026-124882

https://www.suse.com/security/cve/CVE-2026-124883

https://www.suse.com/security/cve/CVE-2026-124884

https://www.suse.com/security/cve/CVE-2026-124885

https://www.suse.com/security/cve/CVE-2026-124886

https://www.suse.com/security/cve/CVE-2026-124887

https://www.suse.com/security/cve/CVE-2026-124888

https://www.suse.com/security/cve/CVE-2026-124889

https://www.suse.com/security/cve/CVE-2026-124890

https://www.suse.com/security/cve/CVE-2026-124891

https://www.suse.com/security/cve/CVE-2026-124892

https://www.suse.com/security/cve/CVE-2026-124893

https://www.suse.com/security/cve/CVE-2026-124894

https://www.suse.com/security/cve/CVE-2026-124895

https://www.suse.com/security/cve/CVE-2026-124896

https://www.suse.com/security/cve/CVE-2026-124897

https://www.suse.com/security/cve/CVE-2026-124898

https://www.suse.com/security/cve/CVE-2026-124899

https://www.suse.com/security/cve/CVE-2026-124901

https://www.suse.com/security/cve/CVE-2026-124902

https://www.suse.com/security/cve/CVE-2026-124903

https://www.suse.com/security/cve/CVE-2026-124905

https://www.suse.com/security/cve/CVE-2026-124906

https://www.suse.com/security/cve/CVE-2026-124907

https://www.suse.com/security/cve/CVE-2026-124909

https://www.suse.com/security/cve/CVE-2026-124910

https://www.suse.com/security/cve/CVE-2026-124912

https://www.suse.com/security/cve/CVE-2026-124913

https://www.suse.com/security/cve/CVE-2026-124914

https://www.suse.com/security/cve/CVE-2026-124915

https://www.suse.com/security/cve/CVE-2026-124917

https://www.suse.com/security/cve/CVE-2026-124918

https://www.suse.com/security/cve/CVE-2026-124919

https://www.suse.com/security/cve/CVE-2026-124922

https://www.suse.com/security/cve/CVE-2026-124924

https://www.suse.com/security/cve/CVE-2026-124926

https://www.suse.com/security/cve/CVE-2026-124927

https://www.suse.com/security/cve/CVE-2026-124929

https://www.suse.com/security/cve/CVE-2026-124930

https://www.suse.com/security/cve/CVE-2026-124931

https://www.suse.com/security/cve/CVE-2026-124932

https://www.suse.com/security/cve/CVE-2026-124933

https://www.suse.com/security/cve/CVE-2026-124934

https://www.suse.com/security/cve/CVE-2026-124935

https://www.suse.com/security/cve/CVE-2026-124938

https://www.suse.com/security/cve/CVE-2026-124939

https://www.suse.com/security/cve/CVE-2026-124940

https://www.suse.com/security/cve/CVE-2026-124941

https://www.suse.com/security/cve/CVE-2026-124942

https://www.suse.com/security/cve/CVE-2026-124948

https://www.suse.com/security/cve/CVE-2026-124951

http://www.nessus.org/u?1a233c9e

Plugin Details

Severity: Critical

ID: 380999

File Name: suse_SU-2026-5229-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 11/14/2026

Updated: 11/14/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 92.79

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-2026-124951

CVSS v3

Risk Factor: Critical

Base Score: 9.6

Temporal Score: 8.3

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS Score Source: CVE-2026-124917

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:15, 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, 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: 11/13/2026

Vulnerability Publication Date: 10/27/2026

Reference Information

CVE: CVE-2026-118007, CVE-2026-118019, CVE-2026-118021, CVE-2026-118024, CVE-2026-124853, CVE-2026-124854, CVE-2026-124855, CVE-2026-124856, CVE-2026-124857, CVE-2026-124858, CVE-2026-124859, CVE-2026-124860, CVE-2026-124861, CVE-2026-124862, CVE-2026-124863, CVE-2026-124864, CVE-2026-124865, CVE-2026-124866, CVE-2026-124868, CVE-2026-124869, CVE-2026-124870, CVE-2026-124872, CVE-2026-124873, CVE-2026-124874, CVE-2026-124875, CVE-2026-124876, CVE-2026-124877, CVE-2026-124879, CVE-2026-124880, CVE-2026-124881, CVE-2026-124882, CVE-2026-124883, CVE-2026-124884, CVE-2026-124885, CVE-2026-124886, CVE-2026-124887, CVE-2026-124888, CVE-2026-124889, CVE-2026-124890, CVE-2026-124891, CVE-2026-124892, CVE-2026-124893, CVE-2026-124894, CVE-2026-124895, CVE-2026-124896, CVE-2026-124897, CVE-2026-124898, CVE-2026-124899, CVE-2026-124901, CVE-2026-124902, CVE-2026-124903, CVE-2026-124905, CVE-2026-124906, CVE-2026-124907, CVE-2026-124909, CVE-2026-124910, CVE-2026-124912, CVE-2026-124913, CVE-2026-124914, CVE-2026-124915, CVE-2026-124917, CVE-2026-124918, CVE-2026-124919, CVE-2026-124922, CVE-2026-124924, CVE-2026-124926, CVE-2026-124927, CVE-2026-124929, CVE-2026-124930, CVE-2026-124931, CVE-2026-124932, CVE-2026-124933, CVE-2026-124934, CVE-2026-124935, CVE-2026-124938, CVE-2026-124939, CVE-2026-124940, CVE-2026-124941, CVE-2026-124942, CVE-2026-124948, CVE-2026-124951

SuSE: SUSE-SU-2026:5229-1