Versions:
Ubuntu 14.04:
Linux ubsv-1404 3.13.0-32-generic #57-Ubuntu SMP Tue Jul 15 03:51:12 UTC 2014 i686 i686 i686 GNU/Linux
OpenVPN 2.3.2:
OpenVPN 2.3.2 i686-pc-linux-gnu [SSL (OpenSSL)] [LZO] [EPOLL] [PKCS11] [eurephia] [MH] [IPv6] built on Feb 4 2014
Which is up to date - No Security features have been introduced to OpenVPN since that version.
OpenSSL 1.0.1f:
OpenSSL 1.0.1f 6 Jan 2014
Which, as I understand it, is also up to date for Ubuntu ..
You could also try the mailing lists or (at your own peril) IRC ..