Ubuntu published a security advisory highlighting vulnerabilities in the following products on the 04th of July 2022. It is recommended that you take the necessary precautions by ensuring your products are always updated.
Ubuntu 20.04 LTS
Ubuntu 16.04 ESM
For more information on these updates, you can follow this URL:
https://ubuntu.com/security/notices
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 Advisory (05th July 2022). Retrieved from Canadian Centre for Cyber Security.
https://cyber.gc.ca/en/alerts-advisories/ubuntu-security-advisory-av22-372