Security Update for Leopard & Snow Leopard

Mac OS X Security Update – Apple posts new security update (2010-003) for Leopard and Snow Leopard. Users may update via the Software Updates System Preferences or by accessing Apple’s download site directly.

This security update addresses ATS (Apple Type Services) handling of embedded fonts. Accessing documents containing malicicously crafted embedded fonts may lead to arbitrary code execution. Charlie Miller is credited for discovery of this threat.