Index: Makefile
===================================================================
--- Makefile	(revision 358705)
+++ Makefile	(working copy)
@@ -97,6 +97,12 @@
 CONFIGURE_ARGS+=--with-libevent=no
 .endif
 
+.if ${PORT_OPTIONS:MLIBEVENT14} || ${PORT_OPTIONS:MLIBEVENT20}
+.if ${OSVERSION} >= 1000015
+BROKEN=	Unbound with libevent crashes on FreeBSD 10+ due to Capsicum
+.endif
+.endif
+
 .if empty(PORT_OPTIONS:MTHREADS)
 CONFIGURE_ARGS+=--without-pthreads
 .endif