Mozilla Thunderbird < 140.7.1

high Nessus Plugin ID 297033

Synopsis

A mail client installed on the remote Windows host is affected by a vulnerability.

Description

The version of Thunderbird installed on the remote Windows host is prior to 140.7.1. It is, therefore, affected by a vulnerability as referenced in the mfsa2026-08 advisory.

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

Solution

Upgrade to Mozilla Thunderbird version 140.7.1 or later.

Plugin Details

Severity: High

ID: 297033

File Name: mozilla_thunderbird_140_7_1.nasl

Version: 1.1

Type: local

Agent: windows

Family: Windows

Published: 1/28/2026

Updated: 1/28/2026

Supported Sensors: Nessus Agent, Nessus

Vulnerability Information

CPE: cpe:/a:mozilla:thunderbird

Required KB Items: installed_sw/Mozilla Thunderbird

Exploit Ease: No known exploits are available

Patch Publication Date: 1/27/2026

Vulnerability Publication Date: 1/27/2026

Reference Information

CVE: CVE-2026-0818

Detections

Analytics