Multiple use-after-free vulnerabilities in ext/date/php_date.c in PHP
before 5.4.38, 5.5.x before 5.5.22, and 5.6.x before 5.6.6 allow
remote attackers to execute arbitrary code via crafted serialized
input containing a (1) R or (2) r type specifier in (a) DateTimeZone
data handled by the php_date_timezone_initialize_from_hash function or
(b) DateTime data handled by the php_date_initialize_from_hash
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
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