--TEST-- Bug #72663 (2): Don't allow references into failed unserialize --FILE-- data); } function unserialize($data) { $this->data = unserialize($data); } } $inner = 'a:1:{i:0;O:9:"Exception":2:{s:7:"'."\0".'*'."\0".'file";R:4;}'; $exploit = 'a:2:{i:0;C:3:"obj":'.strlen($inner).':{'.$inner.'}i:1;R:4;}'; var_dump(unserialize($exploit)); ?> --EXPECTF-- Notice: unserialize(): Unexpected end of serialized data in %s on line %d Notice: unserialize(): Error at offset 46 of 47 bytes in %s on line %d Notice: unserialize(): Error at offset 79 of 80 bytes in %s on line %d bool(false)