Buffer overflow in Apple iTunes before 9.2.1 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted itpc: URL.
Stack-based buffer overflow in Apple iTunes before 8.2 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via an itms: URL with a long URL component after a colon.
Apple iTunes before 8.0 on Mac OS X 10.4.11, when iTunes Music Sharing is enabled but blocked by the host-based firewall, presents misleading information about firewall security, which might allow remote attackers to leverage an exposure that would be absent if the administrator were given better information.
Apple iTunes before 10.5.1 does not properly verify the authenticity of updates, which allows man-in-the-middle attackers to execute arbitrary code via a Trojan horse update, as demonstrated by evilgrade and DNS cache poisoning.