Ubuntu Security Notice USN-4203-2
November 27, 2019
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 14.04 ESM
– Ubuntu 12.04 ESM
NSS could be made to crash or run programs if it received specially crafted
– nss: Network Security Service library
USN-4203-1 fixed a vulnerability in NSS. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.
Original advisory details:
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.
The problem can be corrected by updating your system to the following
Ubuntu 14.04 ESM:
Ubuntu 12.04 ESM:
After a standard system update you need to restart any applications that
use NSS, such as Evolution, to make all the necessary changes.