=========================================================================Ubuntu Security Notice USN-3898-2
February 27, 2019
nss vulnerability
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 ESM
Summary:
NSS could be made to crash if it received specially crafted network
traffic.
Software Description:
- nss: Network Security Service library
Details:
USN-3898-1 fixed a vulnerability in NSS. This update provides
the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
Hanno Böck and Damian Poddebniak discovered that NSS incorrectly
handled certain CMS functions. A remote attacker could possibly use
this issue to cause NSS to crash, resulting in a denial of service.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 12.04 ESM:
libnss3 2:3.28.4-0ubuntu0.12.04.3
After a standard system update you need to restart any applications
that use NSS, such as Evolution, to make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-3898-2
https://ubuntu.com/security/notices/USN-3898-1
CVE-2018-18508