Ubuntu 4717-2: Firefox regression
Summary
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 20.10: firefox 85.0.1+build1-0ubuntu0.20.10.1 Ubuntu 20.04 LTS: firefox 85.0.1+build1-0ubuntu0.20.04.1 Ubuntu 18.04 LTS: firefox 85.0.1+build1-0ubuntu0.18.04.1 Ubuntu 16.04 LTS: firefox 85.0.1+build1-0ubuntu0.16.04.1 After a standard system update you need to restart Firefox to make all the necessary changes.
References
https://ubuntu.com/security/notices/USN-4717-2
https://ubuntu.com/security/notices/USN-4717-1
https://launchpad.net/bugs/1914147
Package Information
https://launchpad.net/ubuntu/+source/firefox/85.0.1+build1-0ubuntu0.20.10.1 https://launchpad.net/ubuntu/+source/firefox/85.0.1+build1-0ubuntu0.20.04.1 https://launchpad.net/ubuntu/+source/firefox/85.0.1+build1-0ubuntu0.18.04.1 https://launchpad.net/ubuntu/+source/firefox/85.0.1+build1-0ubuntu0.16.04.1