CVE-2008-0674
Buffer overflow in PCRE before 7.6 allows remote attackers to execute arbitrary code via a regular expression containing a character class with a large number of characters with Unicode code points greater than 255.
Date published : 2008-02-18
http://lists.apple.com/archives/security-announce//2008/Jul/msg00003.html
http://lists.apple.com/archives/security-announce/2008/Oct/msg00001.html