Ticket #27366: 27366-13.patch

src/wp-includes/js/media-models.js

@@ -472 +472 @@
                 setAspectRatio: function() {
                         var full;
 
-                        if ( this.attachment ) {
+                        if ( this.attachment && this.attachment.get( 'sizes' ) ) {
                                 full = this.attachment.get( 'sizes' ).full;
 
                                 if ( full ) {