USN-3898-1: NSS vulnerability

Publication date

27 February 2019

Overview

NSS could be made to crash if it received specially crafted network traffic.


Packages

  • nss - Network Security Service library

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.

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

After a standard system update you need to restart any applications that use NSS, such as Evolution, to make all the necessary changes.

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
18.10 cosmic libnss3 –  2:3.36.1-1ubuntu1.2
18.04 bionic libnss3 –  2:3.35-2ubuntu2.2
16.04 xenial libnss3 –  2:3.28.4-0ubuntu0.16.04.5
14.04 trusty libnss3 –  2:3.28.4-0ubuntu0.14.04.5

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.


Have additional questions?

Talk to a member of the team ›