Index: /trunk/src/VBox/Devices/Network/slirp/libalias/alias_dns.c
===================================================================
--- /trunk/src/VBox/Devices/Network/slirp/libalias/alias_dns.c	(revision 43729)
+++ /trunk/src/VBox/Devices/Network/slirp/libalias/alias_dns.c	(revision 43730)
@@ -143,5 +143,5 @@
 
         /* add aliases */
-        for (cstr = pHostent->h_aliases; *cstr; cstr++)
+        for (cstr = pHostent->h_aliases; cstr && *cstr; cstr++)
         {
             uint16_t len;