Mozilla Thunderbird < 91.6.1

high Nessus Plugin ID 158069


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


The version of Thunderbird installed on the remote Windows host is prior to 91.6.1. It is, therefore, affected by a vulnerability as referenced in the mfsa2022-07 advisory.

- It may be possible for an attacker to craft an email message that causes Thunderbird to perform an out-of- bounds write of one byte when processing the message. (CVE-2022-0566)

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


Upgrade to Mozilla Thunderbird version 91.6.1 or later.

See Also

Plugin Details

Severity: High

ID: 158069

File Name: mozilla_thunderbird_91_6_1.nasl

Version: 1.5

Type: local

Agent: windows

Family: Windows

Published: 2/15/2022

Updated: 12/30/2022

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

Risk Information


Risk Factor: Medium

Score: 5.9


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-2022-0566


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

Vulnerability Information

CPE: cpe:/a:mozilla:thunderbird

Required KB Items: Mozilla/Thunderbird/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 2/15/2022

Vulnerability Publication Date: 2/15/2022

Reference Information

CVE: CVE-2022-0566

IAVA: 2022-A-0088-S