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CVE-2021-29950

Publication date 22 April 2021

Last updated 24 July 2024


Ubuntu priority

Cvss 3 Severity Score

7.5 · High

Score breakdown

Thunderbird unprotects a secret OpenPGP key prior to using it for a decryption, signing or key import task. If the task runs into a failure, the secret key may remain in memory in its unprotected state. This vulnerability affects Thunderbird < 78.8.1.

Status

Package Ubuntu Release Status
thunderbird 23.04 lunar
Not affected
22.10 kinetic
Not affected
22.04 LTS jammy
Not affected
21.10 impish
Not affected
21.04 hirsute
Not affected
20.10 groovy
Fixed 1:78.8.1+build1-0ubuntu0.20.10.1
20.04 LTS focal
Fixed 1:78.8.1+build1-0ubuntu0.20.04.1
18.04 LTS bionic
Fixed 1:78.8.1+build1-0ubuntu0.18.04.1
16.04 LTS xenial Ignored end of standard support, was needs-triage
14.04 LTS trusty Not in release

Severity score breakdown

Parameter Value
Base score 7.5 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N