I've packaged a new release of stunnel. This is a new upstream release, that fixes a privilege escalation bug on NT systems; see http://www.stunnel.org/download/ChangeLog.txt for details.
Please upload. Thanks, Andrew. wget \ http://home.comcast.net/~andrex/cygwin/stunnel/stunnel-4.23-1.tar.bz2 \ http://home.comcast.net/~andrex/cygwin/stunnel/stunnel-4.23-1-src.tar.bz2