Ubuntu 4717-1: Firefox vulnerabilities
Summary
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 20.10: firefox 85.0+build1-0ubuntu0.20.10.1 Ubuntu 20.04 LTS: firefox 85.0+build1-0ubuntu0.20.04.1 Ubuntu 18.04 LTS: firefox 85.0+build1-0ubuntu0.18.04.1 Ubuntu 16.04 LTS: firefox 85.0+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-4717-1
CVE-2021-23953, CVE-2021-23954, CVE-2021-23955, CVE-2021-23956,
CVE-2021-23958, CVE-2021-23960, CVE-2021-23961, CVE-2021-23962,
CVE-2021-23963, CVE-2021-23964, CVE-2021-23965
Package Information
https://launchpad.net/ubuntu/+source/firefox/85.0+build1-0ubuntu0.20.10.1 https://launchpad.net/ubuntu/+source/firefox/85.0+build1-0ubuntu0.20.04.1 https://launchpad.net/ubuntu/+source/firefox/85.0+build1-0ubuntu0.18.04.1 https://launchpad.net/ubuntu/+source/firefox/85.0+build1-0ubuntu0.16.04.1