up to 5.6.23 - http://php.net/releases/5_6_23.php

up to 5.6.23 - http://php.net/releases/5_6_23.php

- Fixed bug #66387 (Stack overflow with imagefilltoborder).  (CVE-2015-8874)
- Fixed bug #72339 (Integer Overflow in _gd2GetHeader() resulting in heap overflow). (CVE-2016-5766)
- Fixed bug #72446 (Integer Overflow in gdImagePaletteToTrueColor() resulting in heap overflow). (CVE-2016-5767)
- Fixed bug #72402 (_php_mb_regex_ereg_replace_exec - double free). (CVE-2016-5768)
- Fixed bug #72455 (Heap Overflow due to integer overflows). (CVE-2016-5769)
- Fixed bug #72262 (int/size_t confusion in SplFileObject::fread). (CVE-2016-5770)
- Fixed bug #72433 (Use After Free Vulnerability in PHP's GC algorithm and unserialize). (CVE-2016-5771)
- Fixed bug #72340 (Double Free Courruption in wddx_deserialize). (CVE-2016-5772)
- Fixed bug #72434 (ZipArchive class Use After Free Vulnerability in PHP's GC algorithm and unserialize). (CVE-2016-5773)