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CVE-2021-29956

Published: 28 May 2021

OpenPGP secret keys that were imported using Thunderbird version 78.8.1 up to version 78.10.1 were stored unencrypted on the user's local disk. The master password protection was inactive for those keys. Version 78.10.2 will restore the protection mechanism for newly imported keys, and will automatically protect keys that had been imported using affected Thunderbird versions. This vulnerability affects Thunderbird < 78.10.2.

Priority

Medium

Cvss 3 Severity Score

4.3

Score breakdown

Status

Package Release Status
thunderbird
Launchpad, Ubuntu, Debian
impish
Released (1:78.11.0+build1-0ubuntu2)
jammy
Released (1:78.11.0+build1-0ubuntu2)
kinetic
Released (1:78.11.0+build1-0ubuntu2)
lunar
Released (1:78.11.0+build1-0ubuntu2)
bionic
Released (1:78.11.0+build1-0ubuntu0.18.04.2)
focal
Released (1:78.11.0+build1-0ubuntu0.20.04.2)
groovy
Released (1:78.11.0+build1-0ubuntu0.20.10.2)
hirsute
Released (1:78.11.0+build1-0ubuntu0.21.04.2)
trusty Does not exist

upstream
Released (78.10.2)
xenial Ignored
(end of standard support)

Severity score breakdown

Parameter Value
Base score 4.3
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality Low
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N