http://docs.info.apple.com/article.html?artnum=305947

Description QuickTime prior to version 7.2 has multiple image and media file handling vulnerabilities that could allow an attacker to run malicious programs on your computer. These vulnerabilities could allow an attacker to gain access to your computer. This could happen by visiting a malicious web site. Upgrading to Apple QuickTime version 7.2 will correct these vulnerabilities.

Microsoft Windows users should upgrade to Apple QuickTime 7.2.

OS X users should use the Mac OS X Software Update feature to download and install Apple QuickTime 7.2. Alternatively, Mac users can download the upgrade from: http://www.apple.com/support/downloads/qui...me72formac.html

Systems Affected Vulnerabilities in Apple QuickTime affect
* Apple Mac OS X
* Microsoft Windows

Overview Apple has released Apple QuickTime 7.3 to correct several vulnerabilities. These vulnerabilities could allow an attacker to gain access to your computer.

Solution Upgrade QuickTime. OS X users should use the Mac OS X Software Update feature to download and install Apple QuickTime 7.3. Consider scheduling Software Update to check for updates automatically (this option is enabled by default).

Microsoft Windows users should upgrade to Apple QuickTime 7.3.

Description QuickTime prior to version 7.3 has multiple image and media file handling vulnerabilities that could allow an attacker to run malicious programs on your computer. This could happen by visiting a malicious web site. Upgrading to Apple QuickTime version 7.3 will correct these vulnerabilities.

Note that Apple iTunes installs QuickTime, so any system with iTunes is vulnerable.

References
* About the security content of the QuickTime 7.3 Update - http://docs.info.apple.com/article.html?artnum=306896

* Apple QuickTime 7.3 for Windows - http://www.apple.com/support/downloads/qui...forwindows.html

* Apple QuickTime Download - http://www.apple.com/quicktime/download/

:wacko: More Problems...with no fixes as of yet!!
Note that Apple iTunes installs QuickTime, so any system with iTunes is also vulnerable.

Apple QuickTime RTSP Vulnerability---Original release date: November 30, 2007
A vulnerability in Apple QuickTime affects
* Apple Mac OS X
* Microsoft Windows

Overview Apple QuickTime for Microsoft Windows and Apple Mac OS X contains a vulnerability that could allow an attacker to gain access to your computer.

Solution As of November 30, 2007, a QuickTime update for this vulnerability is not yet available. To help protect your computer, consider the following workarounds.

Secure your web browser Following the instructions in Securing Your Web Browser can help protect you from attacks against this and other web browser vulnerabilities.

Do not open untrusted QuickTime files Do not open QuickTime files from any untrusted sources, including unsolicited files or links received in email, instant messages, web forums, or internet relay chat (IRC) channels.

Description Apple QuickTime contains a vulnerability in the way QuickTime handles multi-media content in Real Time Streaming Protocol (RTSP). By convincing you to visit a malicious web site or open a malicious QuickTime file, an attacker could gain access to and take control of your computer. Common web browsers, including Microsoft Windows, Mozilla Firefox, and Apple Safari could be used to open a malicious QuickTime file.

Apple QuickTime Updates for Multiple Vulnerabilities
Original release date: January 16, 2008


Systems Affected
* Apple Mac OS X running versions of QuickTime prior to 7.4
* Microsoft Windows running versions of QuickTime prior to 7.4

Overview
Apple has released Apple QuickTime 7.4 to correct several vulnerabilities. These vulnerabilities could allow an attacker to gain access to your computer.

Solution
OS X users should use the Mac OS X Software Update feature to
download and install Apple QuickTime 7.4.

Microsoft Windows users should upgrade to Apple QuickTime 7.4.

* Apple - QuickTime - Download
http://www.apple.com/quicktime/download/

References

* About the security content of the QuickTime 7.4 Update -
http://docs.info.apple.com/article.html?artnum=307301

* Apple QuickTime 7.4 for Windows -
http://www.apple.com/support/downloads/qui...forwindows.html

Original release date: April 3, 2008

Systems Affected
* Apple Mac OS X running versions of QuickTime prior to 7.4.5
* Microsoft Windows running versions of QuickTime prior to 7.4.5


Overview
QuickTime prior to version 7.4.5 has multiple image and media file handling vulnerabilities that could allow an attacker to run malicious programs on your computer. This could occur when you unknowingly visit a malicious website. Upgrading to QuickTime version 7.4.5 will correct these vulnerabilities.

QuickTime 7.4.5 download: http://www.apple.com/quicktime/download/