Apple » Mac Os X : Security Vulnerabilities, CVEs, Published In November 2007 (Gain Privilege)

The SecurityAgent component in Mac OS X 10.4 through 10.4.10 allows attackers with physical access to bypass the authentication dialog of the screen saver and send keystrokes to a process, related to "handling of keyboard focus between secure text fields."

CFNetwork in Apple Mac OS X 10.3.9 and 10.4 through 10.4.10 does not properly validate certificates, which allows remote attackers to spoof trusted SSL certificates via a man-in-the-middle attack.