diff -ur samba-3.6.3/source3/librpc/crypto/gse.c samba-3.6.3-new/source3/librpc/crypto/gse.c
--- samba-3.6.3/source3/librpc/crypto/gse.c	2012-01-29 21:40:43.000000000 +0200
+++ samba-3.6.3-new/source3/librpc/crypto/gse.c	2015-01-14 15:17:45.775478022 +0200
@@ -688,8 +688,8 @@
 			  TALLOC_CTX *mem_ctx, DATA_BLOB *pac_blob)
 {
 	OM_uint32 gss_min, gss_maj;
-	gss_buffer_desc pac_buffer;
-	gss_buffer_desc pac_display_buffer;
+	gss_buffer_desc pac_buffer = {0, NULL};
+	gss_buffer_desc pac_display_buffer = {0, NULL};
 	gss_buffer_desc pac_name = {
 		.value = discard_const_p(char, "urn:mspac:"),
 		.length = sizeof("urn:mspac:") - 1