Security Update 2014-004 (Lion and Mountain Lion)

Apple has released Security Update 2014-004 with security fixes for OS X 10.7 Lion, 10.7 Lion Server, and 10.8 Mountain Lion. According to the release notes, the security update patches a wide swath of vulnerabilities for Lion and Mountain Lion (which are replicated in the recently issued Mavericks 10.9.5 update), including fixes that prevent information disclosure and arbitrary code execution due to vulnerabilities with CoreGraphics (in particular, maliciously crafted PDF files), Bluetooth, integrated graphics driver routines, OpenSSL, and more. (All updates are free. For 10.7 Lion, 144.5 MB; for 10.7 Lion Server, 194.8 MB; for 10.8 Mountain Lion, 151 MB.)