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CVE-2022-0566

Published: 18 February 2022

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. This vulnerability affects Thunderbird < 91.6.1.

Priority

Medium

Cvss 3 Severity Score

8.8

Score breakdown

Status

Package Release Status
thunderbird
Launchpad, Ubuntu, Debian
focal
Released (1:91.7.0+build2-0ubuntu0.20.04.1)
impish
Released (1:91.7.0+build2-0ubuntu0.21.10.1)
jammy
Released (1:91.6.1+build1-0ubuntu1)
kinetic
Released (1:91.6.1+build1-0ubuntu1)
lunar
Released (1:91.6.1+build1-0ubuntu1)
upstream
Released (91.6.1)
bionic
Released (1:91.7.0+build2-0ubuntu0.18.04.1)
trusty Ignored
(end of standard support)
xenial Ignored
(end of standard support)

Severity score breakdown

Parameter Value
Base score 8.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H