Mozilla Firefox < 160.0

critical Nessus Plugin ID 378432

Synopsis

A web browser installed on the remote Windows host is affected by multiple vulnerabilities.

Description

The version of Firefox installed on the remote Windows host is prior to 160.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-125 advisory.

- Incorrect boundary conditions, use-after-free in the Graphics component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, and Thunderbird 160. (CVE-2026-124948)

- Sandbox escape due to use-after-free in the Widget: Gtk component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, and Thunderbird 160. (CVE-2026-124917)

- Incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 160 and Thunderbird 160. (CVE-2026-124852)

- Sandbox escape due to incorrect boundary conditions in the Graphics: Text component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, Firefox ESR 153.7, and Thunderbird 160. (CVE-2026-124853)

- Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, and Thunderbird 160. (CVE-2026-124854)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade to Mozilla Firefox version 160.0 or later.

Plugin Details

Severity: Critical

ID: 378432

File Name: mozilla_firefox_160_0.nasl

Version: 1.1

Type: Local

Agent: windows

Family: Windows

Published: 11/10/2026

Updated: 11/10/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 92.8

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-2026-124948

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:/a:mozilla:firefox

Required KB Items: installed_sw/Mozilla Firefox

Exploit Ease: No known exploits are available

Patch Publication Date: 11/10/2026

Vulnerability Publication Date: 11/10/2026

Reference Information

CVE: CVE-2026-124852, 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-2026-124867, CVE-2026-124868, CVE-2026-124869, CVE-2026-124870, CVE-2026-124871, CVE-2026-124872, CVE-2026-124873, CVE-2026-124874, CVE-2026-124875, CVE-2026-124876, CVE-2026-124877, CVE-2026-124878, 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-2026-124900, CVE-2026-124901, CVE-2026-124902, CVE-2026-124903, CVE-2026-124904, CVE-2026-124905, CVE-2026-124906, CVE-2026-124907, CVE-2026-124908, 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-2026-124920, CVE-2026-124921, CVE-2026-124922, CVE-2026-124923, CVE-2026-124924, CVE-2026-124925, CVE-2026-124926, CVE-2026-124927, CVE-2026-124928, CVE-2026-124929, CVE-2026-124930, CVE-2026-124931, CVE-2026-124932, CVE-2026-124933, CVE-2026-124934, CVE-2026-124935, CVE-2026-124936, CVE-2026-124938, CVE-2026-124939, CVE-2026-124940, CVE-2026-124941, CVE-2026-124942, CVE-2026-124943, CVE-2026-124944, CVE-2026-124945, CVE-2026-124946, CVE-2026-124947, CVE-2026-124948, CVE-2026-124949, CVE-2026-124950, CVE-2026-124951

Detections

Analytics