CVE-2021-29950
Published: 22 April 2021
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.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
thunderbird Launchpad, Ubuntu, Debian |
impish |
Not vulnerable
(1:78.8.1+build1-0ubuntu1)
|
| jammy |
Not vulnerable
(1:78.8.1+build1-0ubuntu1)
|
|
| kinetic |
Not vulnerable
(1:78.8.1+build1-0ubuntu1)
|
|
| lunar |
Not vulnerable
(1:78.8.1+build1-0ubuntu1)
|
|
| upstream |
Released
(78.8.1)
|
|
| bionic |
Released
(1:78.8.1+build1-0ubuntu0.18.04.1)
|
|
| focal |
Released
(1:78.8.1+build1-0ubuntu0.20.04.1)
|
|
| trusty |
Does not exist
|
|
| xenial |
Ignored
(end of standard support, was needs-triage)
|
|
| groovy |
Released
(1:78.8.1+build1-0ubuntu0.20.10.1)
|
|
| hirsute |
Not vulnerable
(1:78.8.1+build1-0ubuntu1)
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| 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 |