Ticket #16362: 16362.diff

wp-includes/update.php

@@ -281 +281 @@
         $new_update = new stdClass;
         $new_update->last_checked = time( );
         $response = unserialize( $raw_response['body'] );
-        if ( $response ) {
+
+        if ( is_array($response) ) {
                 $new_update->checked = $checked;
                 $new_update->response = $response;
         }