Your submission was sent successfully! Close

USN-4215-1: NSS vulnerability

9 December 2019

NSS could be made to crash if it received a specially crafted certificate.



  • nss - Network Security Service library


It was discovered that NSS incorrectly handled certain certificates.
An attacker could possibly use this issue to cause a denial of service.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 19.04
Ubuntu 18.04
Ubuntu 16.04
Ubuntu 14.04
Ubuntu 12.04

After a standard system update you need to reboot your computer to make
all the necessary changes.