Directory Services in Apple Mac OS X 10.5 through 10.5.4, when Active Directory is used, allows attackers to enumerate user names via wildcard characters in the Login Window.

VideoConference in Apple Mac OS X 10.4.11 and 10.5 through 10.5.4 allows remote attackers to cause a denial of service (memory corruption and application crash) or execute arbitrary code via vectors involving H.264 encoded media.

Time Machine in Apple Mac OS X 10.5 through 10.5.4 uses weak permissions for Time Machine Backup log files, which allows local users to obtain sensitive information by reading these files.

Cross-site scripting (XSS) vulnerability in Wiki Server in Apple Mac OS X 10.5 through 10.5.4 allows remote attackers to inject arbitrary web script or HTML via an e-mail message that reaches a mailing-list archive, aka "persistent JavaScript injection."

Remote Management and Screen Sharing in Apple Mac OS X 10.5 through 10.5.4, when used to set a password for a VNC viewer, displays additional input characters beyond the maximum password length, which might make it easier for attackers to guess passwords that the user believed were longer.

Apple Mac OS X before 10.5 uses weak permissions for the User Template directory, which allows local users to gain privileges by inserting a Trojan horse file into this directory.

Dock in Apple Mac OS X 10.5 before 10.5.4, when Exposé hot corners is enabled, allows physically proximate attackers to gain access to a locked session in (1) sleep mode or (2) screen saver mode via unspecified vectors.

Incomplete blacklist vulnerability in CoreTypes in Apple Mac OS X before 10.5.4 allows user-assisted remote attackers to execute arbitrary code via a (1) .xht or (2) .xhtm file, which does not trigger a "potentially unsafe" warning message in (a) the Download Validation feature in Mac OS X 10.4 or (b) the Quarantine feature in Mac OS X 10.5.

Launch Services in Apple Mac OS X before 10.5, when Open Safe Files is enabled, allows remote attackers to execute arbitrary code via a symlink attack, probably related to a race condition and automatic execution of a downloaded file.

The accept_connections function in the virtual private network daemon (vpnd) in Apple Mac OS X 10.5 before 10.5.4 allows remote attackers to cause a denial of service (divide-by-zero error and daemon crash) via a crafted load balancing packet to UDP port 4112.