CVE-2013-6712
The scan function in ext/date/lib/parse_iso_intervals.c in PHP through 5.5.6 does not properly restrict creation of DateInterval objects, which might allow remote attackers to cause a denial of service (heap-based buffer over-read) via a crafted interval specification.
Date published : 2013-11-27
http://lists.apple.com/archives/security-announce/2015/Apr/msg00001.html
http://git.php.net/?p=php-src.git;a=commit;h=12fe4e90be7bfa2a763197079f68f5568a14e071