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.
Heap-based buffer overflow in Apple iTunes before 7.4 allows remote attackers to cause a denial of service (application crash) or execute arbitrary code via crafted album cover art in the covr atom of an MP4/AAC file.