OS X 10.8.5 Supplemental Update
OS X 10.8.5 Supplemental Update 1.0 for Mac can be downloaded from our software library for free. The program is included in System Tools. Our antivirus scan shows that this Mac download is malware free. The latest setup file that can be downloaded is 18.7 MB in size. This Mac app was originally developed by Apple, Inc.
From the developer:
The OS X 10.8.5 Supplemental Update is recommended for all users running OS X Mountain Lion 10.8.5. This update: Resolves an issue that may prevent certain applications from using the FaceTime HD camera on mid-2013 MacBook Air systems. Fixes an issues that may cause external drives to be ejected after the computers goes to sleep. Addresses an issue that may prevent HDMI audio from working after waking from sleep.
You may want to check out more Mac applications, such as OS X Bash Update, Learn Mac OS X or DynDNS Updater, which might be related to OS X 10.8.5 Supplemental Update.