MacOS 10.13.4 Security Update 2018-001 for High Sierra Released, Along with Safari 11.1

Apple has released a small security update for Mac users running macOS High Sierra 10.13.4. Mac users running High Sierra, Sierra, and El Capitan will also find an update to Safari available. Separately, a small update versioned as iOS 11.3.1 was released for iPhone and iPad users.