Apple Mac OS X before 10.7.5 and 10.8.x before 10.8.2 allows local users to read passwords entered into Login Window (aka LoginWindow) or Screen Saver Unlock by installing an input method that intercepts keystrokes.
Mail in Apple Mac OS X before 10.7.5 does not properly handle embedded web plugins, which allows remote attackers to execute arbitrary plugin code via an e-mail message that triggers the loading of a third-party plugin.
Integer overflow in libpng, as used in Google Chrome before 17.0.963.56, allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors that trigger an integer truncation.