CVE-2021-29950
Publication date 22 April 2021
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
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 | ||
22.04 LTS jammy |
Not affected
|
|
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 |
References
Related Ubuntu Security Notices (USN)
- USN-4936-1
- Thunderbird vulnerabilities
- 6 May 2021