1--TEST-- 2Bug #77418 (Heap overflow in utf32be_mbc_to_code) 3--SKIPIF-- 4<?php extension_loaded('mbstring') or die('skip mbstring not available'); ?> 5--FILE-- 6<?php 7mb_regex_encoding("UTF-32"); 8var_dump(mb_split("\x00\x00\x00\x5c\x00\x00\x00B","000000000000000000000000000000")); 9?> 10--EXPECT-- 11bool(false) 12