iOS 12.2: Apple announced the iOS security updates, and reports that the 12.2 version fixes 51 vulnerabilities in the mobile operating system. The affected products are from iPhone 5s onwards, from iPad Air onwards, and iPods 6 generation.
The products running tvOS (Apple TV 4K and Apple TV HD), which rely heavily on iOS, should be updated instantly in 12.2 as well are also affected by 36 vulnerabilities.
So far, most of the vulnerabilities were in Webkit, the browser used by Apple on many Safari, Mail and App Store products.
So, if you use an updated Apple mobile device, it's a good idea to update your operating system immediately.
See company announcement: