WebKit, as used in Apple iTunes before 10.6, 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-2012-03-07-1.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17475
http://www.securityfocus.com/bid/52363
http://secunia.com/advisories/48377
http://secunia.com/advisories/48274
http://lists.apple.com/archives/security-announce/2012/Mar/msg00003.html
http://lists.apple.com/archives/security-announce/2012/Mar/msg00000.html