WebKit, as used in Apple Safari before 6.2.1, 7.x before 7.1.1, and 8.x before 8.0.1, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site, a different vulnerability than other WebKit CVEs listed in APPLE-SA-2014-12-2-1.
https://support.apple.com/kb/HT204949
http://www.securityfocus.com/bid/71451
http://support.apple.com/kb/HT6596
http://support.apple.com/HT204246
http://support.apple.com/HT204245
http://lists.apple.com/archives/security-announce/2015/Jun/msg00006.html
http://lists.apple.com/archives/security-announce/2015/Jan/msg00001.html
http://lists.apple.com/archives/security-announce/2015/Jan/msg00000.html
http://lists.apple.com/archives/security-announce/2014/Dec/msg00000.html