You might want to snag this.
Per the Mac Observer, Apple released Security Update 2013-003 for Mountain Lion on Tuesday.
The update’s specific security changes can be found here.
Security Update 2013-003 showed up earlier in the day on Tuesday, but quickly disappeared from Apple’s site. It reappeared late in the afternoon with a “1.0” appended to the update’s name in Software Update on the Mac App Store, where it’s available now and is also available as a 20.84 megabyte download and requires OS X 10.8.4 or later to install and run.
If you’ve tried the update and have any feedback to offer about it, please let us know in the comments.
One reply on “Apple releases Security Update 2013-003 for Mountain Lion users”
My MBP all of a sudden started having speed/responsiveness issues on Monday and Tuesday. I ran a few maintenance things, but it still seemed slow until I installed this update. It may have fixed something, or the timing might be a coincidence.