Add this to /etc/apt/sources.list
<snip>
deb http://security.ubuntu.com/ubuntu precise-security main restricted
deb-src http://security.ubuntu.com/ubuntu precise-security main restricted
deb http://security.ubuntu.com/ubuntu precise-security universe
deb-src http://security.ubuntu.com/ubuntu precise-security universe
deb http://security.ubuntu.com/ubuntu precise-security multiverse
deb-src http://security.ubuntu.com/ubuntu precise-security multiverse
</snip>
# apt-get update
# apt-get install apt-get install libssl1.0.0 openssl
# openssl version -a ( Check that it reports build date >= 2014-04-07)
# sudo lsof -n | grep ssl | grep DEL and restart all listed services.
Adapted from https://gist.github.com/coderanger/10084033