Ubuntu Updates
1778Warning Date
Severity Level
Warning Number
Target Sector
8 December, 2021
● Medium
2021-3994
All
Description:
ubuntu has released security updates to address several vulnerabilities in the following products:
- Mailman
- Ubuntu 18.04 LTS
- BusyBox
- Ubuntu 21.10
- Ubuntu 21.04
- Ubuntu 20.04 LTS
- NSS regression
- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM
Threats:
An attacker could exploit these vulnerabilities by doing the following:
- Denial of service attack (DoS)
- Cross-site request forgery (CSRF)
- Arbitrary code execution
Best practice and Recommendations:
The CERT team encourages users to review ubuntu security advisory and apply the necessary updates: