The processRequest function in minissdpd.c in MiniSSDPd 1.2.20130907-3 allows local users to cause a denial of service (invalid free and daemon crash) via vectors related to error handling.
https://github.com/miniupnp/miniupnp/commit/140ee8d2204b383279f854802b27bdb41c1d5d1a
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=816759