Apple today has released new versions of Safari for OS X Lion/Mountain Lion and OS X Mavericks that address security and WebKit issues. The Safari 6.1.6 update for the older versions of OS X and Safari 7.0.6 update for the latest OS X are available in Software Update on the Mac App Store. Here are the release notes from Apple’s support page:
Safari 6.1.6 and Safari 7.0.6
Available for: OS X Lion v10.7.5, OS X Lion Server v10.7.5, OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.4
Impact: Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution
Description: Multiple memory corruption issues existed in WebKit. These issues were addressed through improved memory handling.
Earlier today, Apple seeded a new build of OS X 10.9.5 to developers.