WebKit, as used in Apple Safari before 6.1.5 and 7.x before 7.0.5, 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-2014-06-30-1.
http://archives.neohapsis.com/archives/bugtraq/2014-06/0171.html
http://secunia.com/advisories/59481