Ubuntu 4476-1: NSS vulnerability
Summary
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS: libnss3 2:3.49.1-1ubuntu1.5 Ubuntu 18.04 LTS: libnss3 2:3.35-2ubuntu2.12 Ubuntu 16.04 LTS: libnss3 2:3.28.4-0ubuntu0.16.04.14 Ubuntu 14.04 ESM: libnss3 2:3.28.4-0ubuntu0.14.04.5+esm8 Ubuntu 12.04 ESM: libnss3 2:3.28.4-0ubuntu0.12.04.11 After a standard system update you need to reboot your computer to make all the necessary changes.
References
https://ubuntu.com/security/notices/USN-4476-1
CVE-2020-12403
Package Information
https://launchpad.net/ubuntu/+source/nss/2:3.49.1-1ubuntu1.5 https://launchpad.net/ubuntu/+source/nss/2:3.35-2ubuntu2.12 https://launchpad.net/ubuntu/+source/nss/2:3.28.4-0ubuntu0.16.04.14