1--TEST-- 2iconv() charset parameter length checks (CVE-2007-4840) 3--SKIPIF-- 4<?php extension_loaded('iconv') or die('skip iconv extension is not available'); ?> 5--FILE-- 6<?php 7$a = str_repeat("/", 9000000); 8var_dump(iconv($a, "b", "test")); 9var_dump(iconv("x", $a, "test")); 10?> 11--EXPECTF-- 12 13Warning: iconv(): Charset parameter exceeds the maximum allowed length of %d characters in %s on line %d 14bool(false) 15 16Warning: iconv(): Charset parameter exceeds the maximum allowed length of %d characters in %s on line %d 17bool(false) 18