Ubuntu 4942-1: Firefox vulnerability
Summary
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 21.04: firefox 88.0.1+build1-0ubuntu0.21.04.2 Ubuntu 20.10: firefox 88.0.1+build1-0ubuntu0.20.10.2 Ubuntu 20.04 LTS: firefox 88.0.1+build1-0ubuntu0.20.04.2 Ubuntu 18.04 LTS: firefox 88.0.1+build1-0ubuntu0.18.04.2 After a standard system update you need to restart Firefox to make all the necessary changes.
References
https://ubuntu.com/security/notices/USN-4942-1
CVE-2021-29952
Package Information
https://launchpad.net/ubuntu/+source/firefox/88.0.1+build1-0ubuntu0.21.04.2 https://launchpad.net/ubuntu/+source/firefox/88.0.1+build1-0ubuntu0.20.10.2 https://launchpad.net/ubuntu/+source/firefox/88.0.1+build1-0ubuntu0.20.04.2 https://launchpad.net/ubuntu/+source/firefox/88.0.1+build1-0ubuntu0.18.04.2