diff -ru dvbstream-20080302/dvbstream.c dvbstream/dvbstream.c
--- dvbstream-20080302/dvbstream.c	2007-09-14 23:02:39.000000000 +0200
+++ dvbstream/dvbstream.c	2008-03-24 19:28:16.000000000 +0100
@@ -817,6 +817,8 @@
     return 0;
   else if(af == 3)
     l += buf[4] + 1;
+  if(l >= TS_SIZE - 4)
+    return 0;
 
   if(pid == 0)
   {