Ubuntu 4656-2: X.Org X Server vulnerabilities
Summary
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 14.04 ESM: xserver-xorg-core 2:1.15.1-0ubuntu2.11+esm3 After a standard system update you need to reboot your computer to make all the necessary changes.
References
https://ubuntu.com/security/notices/USN-4656-2
https://ubuntu.com/security/notices/USN-4656-1
CVE-2020-14360, CVE-2020-25712
Package Information