Apple today released a security update for Mac OS X. Security Update 2010-005 weights 84 MB and it available through Software Update. Apple fixes the following with the update:
CVE-ID: CVE-2010-1808: Available for: Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.4, Mac OS X Server v10.6.4.
Impact: Viewing or downloading a document containing a maliciously crafted embedded font may lead to arbitrary code execution.