Copied from
ubuntu trusty in
Private PPA for Ubuntu Security Team
by Marc Deslauriers
Changelog
libtorrent-rasterbar (0.16.13-1ubuntu2.1) trusty-security; urgency=medium
* SECURITY UPDATE: Stop UPnP from falling back on port 0. Routers
may forward unmapped ports to the given IP, exposing the machine
to the internet (LP: #1330703).
-- Andrew Starr-Bochicchio <email address hidden> Mon, 23 Jun 2014 22:42:45 -0400