Detections
Analytics

Mozilla Firefox ESR < 140.5

high Nessus Plugin ID 274754

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Synopsis

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

Description

The version of Firefox ESR installed on the remote Windows host is prior to 140.5. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-88 advisory.

 - Use-after-free in the WebRTC: Audio/Video component. This vulnerability affects Firefox < 145 and Firefox ESR < 140.5. (CVE-2025-13020)

 - Race condition in the Graphics component. This vulnerability affects Firefox < 145, Firefox ESR < 140.5, and Firefox ESR < 115.30. (CVE-2025-13012)

 - Incorrect boundary conditions in the JavaScript: WebAssembly component. This vulnerability affects Firefox < 145 and Firefox ESR < 140.5. (CVE-2025-13016)

 - Same-origin policy bypass in the DOM: Notifications component. This vulnerability affects Firefox < 145 and Firefox ESR < 140.5. (CVE-2025-13017)

 - Mitigation bypass in the DOM: Security component. This vulnerability affects Firefox < 145 and Firefox ESR < 140.5. (CVE-2025-13018)

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 ESR version 140.5 or later.

See Also

https://www.mozilla.org/en-US/security/advisories/mfsa2025-88/

Plugin Details

Severity: High

ID: 274754

File Name: mozilla_firefox_140_5_esr.nasl

Version: 1.3

Type: local

Agent: windows

Family: Windows

Published: 11/11/2025

Updated: 11/18/2025

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

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-2025-13014

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

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

CVSS Score Source: CVE-2025-13020

Vulnerability Information

CPE: cpe:/a:mozilla:firefox_esr

Required KB Items: installed_sw/Mozilla Firefox ESR

Exploit Ease: No known exploits are available

Patch Publication Date: 11/11/2025

Vulnerability Publication Date: 11/11/2025

Reference Information

CVE: CVE-2025-13012, CVE-2025-13013, CVE-2025-13014, CVE-2025-13015, CVE-2025-13016, CVE-2025-13017, CVE-2025-13018, CVE-2025-13019, CVE-2025-13020

IAVA: 2025-A-0852