Ubuntu 18.04 LTS / 20.04 LTS : Firefox regressions (USN-5816-2)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-5816-2 advisory. USN-5816-1 fixed vulnerabilities in Firefox. The update introduced several minor regressions. This update fixes the problem. We apologize for the...