iOS 12.2 released with the several security fixes that affected FaceTime, GeoServices, file, WebKit, Wi-Fi, Siri, Kernel and other iOS components.
macOS Mojave 10.14.4 security updates fixed the various WebKit holes, and kernel flaws that allow maliciously crafted NFS network share may lead to arbitrary code execution with system privileges.
Safari 12.1 update fixed vulnerabilities in Safari Readers let maliciously crafted webpage may lead to universal cross site scripting due to improper validation.
tvOS 12.2 fixes covered in the Apple TV 4K and Apple TV HD security flaws, iOS update, GeoServices flaw and one affecting Siri (CVE-2019-8502).
In this case, 19 iOS vulnerabilities were discovered in the Webkit browser engine used by Safari, Mail, App Store and other apps on macOS, iOS and Linux.
Apple Released Security Updates