Ubuntu has published a security advisory to address vulnerabilities affecting the following products on the 10th of April 2023. It is recommended that you take the necessary precautions to ensure your products are always protected.
Ubuntu 16.04 ESM
Ubuntu 20.04 LTS
For more information on these updates, you can follow these URLs:
https://ubuntu.com/security/notices/USN-6000-1
https://ubuntu.com/security/notices/USN-6001-1
The Guyana National CIRT recommends that users and administrators review these updates and apply them where necessary.
PDF Download: Ubuntu Security Advisory.pdf
References
Ubuntu Security Updates. (2023, April 10) Reviewed from Ubuntu.
https://ubuntu.com/security/notices
Ubuntu Security Updates. (2023, April 11) Reviewed from Canadian Centre for Cyber Security
https://www.cyber.gc.ca/en/alerts-advisories/ubuntu-security-advisory-av23-198