QSN-4203-1: nss vulnerability
November 27, 2019
NSS could be made to crash or run programs if it received specially crafted input.
It was discovered that NSS incorrectly handled certain memory operations. A remote attacker could use this issue to cause NSS to crash, resulting in a denial of service, or possibly execute arbitrary code.
A general update will usually fix all issues, but to make sure, you can check your current version with:
If the current version you have is before 2:3.28.4-0ubuntu0.16.04.8, run the following:
$ sudo apt-get install libnss3