CVE-2020-28016
Publication date 4 May 2021
Last updated 25 August 2025
Ubuntu priority
Description
Exim 4 before 4.94.2 allows an off-by-two Out-of-bounds Write because "-F ''" is mishandled by parse_fix_phrase.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| exim4 | ||
| 20.04 LTS focal |
Not affected
|
|
| 18.04 LTS bionic |
Not affected
|
|
| 16.04 LTS xenial |
Not affected
|
|
| 14.04 LTS trusty |
Not affected
|
Severity score breakdown
CVSS version: CVSS v3.0
Base score
7.8 · High
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
Related Ubuntu Security Notices (USN)
- USN-4934-1
- Exim vulnerabilities
- 4 May 2021
- USN-4934-2
- Exim vulnerabilities
- 6 May 2021