The processRequest function in minissdpd.c in MiniSSDPd 1.2.20130907-3 allows local users to cause a denial of service (out-of-bounds memory access and daemon crash) via vectors involving a negative length value.
https://github.com/miniupnp/miniupnp/commit/b238cade9a173c6f751a34acf8ccff838a62aa47
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=816759