CVE-2021-29957
Publication date 28 May 2021
Last updated 24 July 2024
Ubuntu priority
If a MIME encoded email contains an OpenPGP inline signed or encrypted message part, but also contains an additional unprotected part, Thunderbird did not indicate that only parts of the message are protected. This vulnerability affects Thunderbird < 78.10.2.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| thunderbird | ||
| 22.04 LTS jammy |
Fixed 1:78.11.0+build1-0ubuntu2
|
|
| 20.04 LTS focal |
Fixed 1:78.11.0+build1-0ubuntu0.20.04.2
|
|
| 18.04 LTS bionic |
Fixed 1:78.11.0+build1-0ubuntu0.18.04.2
|
|
| 16.04 LTS xenial | Ignored | |
| 14.04 LTS trusty | Not in release |
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
4.3 · Medium
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | Low |
| Availability impact | None |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |
References
Related Ubuntu Security Notices (USN)
- USN-4995-1
- Thunderbird vulnerabilities
- 22 June 2021
- USN-4995-2
- Thunderbird vulnerabilities
- 25 June 2021