CVE-2020-6795
Publication date 2 March 2020
Last updated 24 July 2024
Ubuntu priority
When processing a message that contains multiple S/MIME signatures, a bug in the MIME processing code caused a null pointer dereference, leading to an unexploitable crash. This vulnerability affects Thunderbird < 68.5.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| thunderbird | ||
| 18.04 LTS bionic |
Fixed 1:68.7.0+build1-0ubuntu0.18.04.1
|
|
| 16.04 LTS xenial |
Fixed 1:68.7.0+build1-0ubuntu0.16.04.2
|
|
| 14.04 LTS trusty | Not in release |
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
6.5 · Medium
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-4328-1
- Thunderbird vulnerabilities
- 13 April 2020
- USN-4335-1
- Thunderbird vulnerabilities
- 21 April 2020