Internet Bug Bounty: NULL Pointer Dereference at _gdScaleVert

Upstream bug reports https://bugs.php.net/bug.php?id=72407 Reported to PHP 2016-06-15 Patch: http://git.php.net/?p=php-src.git;a=commit;h=b9ec171e7d25879d97473ca50197c4207420c276 Fixed for PHP 5.5.37 security only mode http://php.net/ChangeLog-5.php5.5.37 Fixed for PHP 5.6.23...