Something

[root@polo:/usr/ports/lang/ruby18] # make fetch

NOTE:
You can enable pthread support by defining WITH_PTHREADS variable,
but not recommended since this might break some ruby apps.

===>  ruby-1.8.4_9,1 has known vulnerabilities:
=> ruby - multiple vulnerabilities.
   Reference: <http://www.FreeBSD.org/ports/portaudit/76562594-1f19-11db-b7d4-0008743bf21a.html>
=> Please update your ports tree and try again.
*** Error code 1

Stop in /usr/ports/lang/ruby18.
[root@polo:/usr/ports/lang/ruby18] #