php -- multiple vulnerabilities

The PHP development team reports:

Added missing safe_mode/open_basedir checks inside the
error_log(), file_exists(), imap_open() and imap_reopen()
functions.
Fixed overflows inside str_repeat() and wordwrap()
functions on 64bit systems.
Fixed possible open_basedir/safe_mode bypass in cURL
extension and with realpath cache.
Fixed overflow in GD extension on invalid GIF
images.
Fixed a buffer overflow inside sscanf() function.
Fixed an out of bounds read inside stripos()
function.
Fixed memory_limit restriction on 64 bit system.