diff -Naur samba.orig/source/nsswitch/libwbclient/wbc_pam.c samba/source/nsswitch/libwbclient/wbc_pam.c
--- samba.orig/source/nsswitch/libwbclient/wbc_pam.c	2008-05-07 11:58:19.000000000 +0200
+++ samba/source/nsswitch/libwbclient/wbc_pam.c	2008-07-31 13:13:51.000000000 +0200
@@ -50,6 +50,41 @@
 	return wbc_status;
 }
 
+wbcErr wbc_free_auth_info(struct wbcAuthUserInfo *i)
+{
+	uint32_t nsid;
+
+	if (i) {
+		if (i->account_name)
+			talloc_free(i->account_name);
+		if (i->user_principal)
+			talloc_free(i->user_principal);
+		if (i->full_name)
+		  	talloc_free(i->full_name);
+		if (i->domain_name)
+		  	talloc_free(i->domain_name);
+		if (i->dns_domain_name)
+		  	talloc_free(i->dns_domain_name);
+
+		if (i->logon_server)
+		  	talloc_free(i->logon_server);
+		if (i->logon_script)
+		  	talloc_free(i->logon_script);
+		if (i->profile_path)
+		  	talloc_free(i->profile_path);
+		if (i->home_directory)
+		  	talloc_free(i->home_directory);
+		if (i->home_drive)
+		  	talloc_free(i->home_drive);
+
+		if (i->sids)
+			talloc_free(i->sids);
+
+		talloc_free(i);
+	}
+	return WBC_ERR_SUCCESS;
+}
+
 static wbcErr wbc_create_auth_info(TALLOC_CTX *mem_ctx,
 				   const struct winbindd_response *resp,
 				   struct wbcAuthUserInfo **_i)
@@ -302,6 +337,7 @@
 				 params->domain_name,
 				 sep_response.data.info.winbind_separator,
 				 params->account_name);
+                        winbindd_free_response(&sep_response);
 		} else {
 			strncpy(request.data.auth.user,
 				params->account_name,
@@ -416,7 +452,7 @@
 	}
 
 done:
-
+        winbindd_free_response(&response);
 	return wbc_status;
 }
 
diff -Naur samba.orig/source/nsswitch/libwbclient/wbclient.h samba/source/nsswitch/libwbclient/wbclient.h
--- samba.orig/source/nsswitch/libwbclient/wbclient.h	2008-05-07 11:58:19.000000000 +0200
+++ samba/source/nsswitch/libwbclient/wbclient.h	2008-07-31 12:04:56.000000000 +0200
@@ -246,6 +246,8 @@
 	struct wbcSidWithAttr *sids;
 };
 
+wbcErr wbc_free_auth_info(struct wbcAuthUserInfo *i);
+
 /* wbcAuthUserInfo->user_flags */
 
 #define WBC_AUTH_USER_INFO_GUEST			0x00000001