WebKit, as used in Apple iTunes before 10.5, allows man-in-the-middle attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via vectors related to iTunes Store browsing, a different vulnerability than other CVEs listed in APPLE-SA-2011-10-11-1.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17084
http://www.securityfocus.com/bid/50066
http://support.apple.com/kb/HT5000
http://support.apple.com/kb/HT4999
http://support.apple.com/kb/HT4981
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00004.html
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00001.html
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00000.html