Apple on Monday issued the new iOS 11.2.2 software update for iPhone 5s and later, iPad Air and later and the sixth-generation iPod touch, as well as the new macOS High Sierra 10.13.2 Supplemental Update for Mac computers.
The iOS 11.2.2 software update can be easily applied over the air by going to Settings → General → Software Update on your iOS device or through desktop iTunes. The Mac update is available via the Updates tab in Mac App Store.
The iOS 11.2.2 firmware is also available via iDownloadBlog’s Download webpage.
According to release notes accompanying the download, iOS 11.2.2 and macOS High Sierra 10.13.2 provide a security update and are recommended for all users.
The Meltdown vulnerabilities were addressed in iOS 11.2, macOS 10.13.2 and tvOS 11.2.
Specifically, both new iOS and macOS updates include security improvements to Safari and WebKit which mitigate the effects of the Spectre vulnerabilities, the company acknowledged.
Installing macOS High Sierra 10.13.2 Supplemental Update will update Safari to version 11.0.2 (13604.4.7.1.6) or version 11.0.2 (13604.4.7.10.6). To check the version of Safari installed on your Mac, open Safari and choose the About Safari option from the Safari menu.
For additional information on the security content of iOS 11.2.2 and macOS High Sierra 10.13.2, check out the company’s support document on Apple’s website.