Integer overflow in the PCRE regular expression compiler (JavaScriptCore/pcre/pcre_compile.cpp) in Apple WebKit, as used in Safari before 3.1.1, allows remote attackers to execute arbitrary code via a regular expression with large, nested repetition counts, which triggers a heap-based buffer overflow.
https://exchange.xforce.ibmcloud.com/vulnerabilities/41859
http://www.zerodayinitiative.com/advisories/ZDI-08-022
http://www.vupen.com/english/advisories/2008/2094/references
http://www.vupen.com/english/advisories/2008/1250/references
http://www.securitytracker.com/id?1019870
http://www.securityfocus.com/bid/28815
http://www.securityfocus.com/archive/1/490990/100/0/threaded
http://support.apple.com/kb/HT1467
http://securityreason.com/securityalert/3815
http://secunia.com/advisories/31074
http://secunia.com/advisories/29846
http://lists.apple.com/archives/security-announce/2008/Apr/msg00001.html
http://lists.apple.com/archives/security-announce/2008//Jul/msg00001.html