This bug was fixed in the package libtorrent-rasterbar - 0.16.13-1ubuntu2.1
--------------- 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
This bug was fixed in the package libtorrent- rasterbar - 0.16.13-1ubuntu2.1
--------------- rasterbar (0.16.13- 1ubuntu2. 1) trusty-security; urgency=medium
libtorrent-
* 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