Apple has released QuickTime 7.3.1 to address several vulnerabilities. These include the buffer overflow in RTSP, a heap buffer overflow found in QuickTime’s handling of QTL files and vulnerabilities which exist in QuickTime’s Flash media handler. Updates are available for: Mac OS X v10.3.9 or later, Windows Vista, and XP SP2. The relevant CVEs are CVE-2007-6166, CVE-2007-4706 and CVE-2007-4707 respectively.
QuickTime 7.3.1 is available