Along with this Apple also releases iOS 11.4.1 with USB Restricted Mode which will disable a data connection from the iPhone’s charging/data port at the bottom of the device after one hour of being locked by default.
The new feature will not prevent the phone from being charged, but if you want to unlock or transfer any data to or from the device, you will need to enter the phone’s passcode on the touchscreen.
By default, USB Restricted Mode shipped with a disabled mode, so users can manually enable it from their iOS device’s settings area.
In this Apple security updates, iOS 11.4.1 released with a lot of security fixes for CFNetwork, Kernel, libxpc, WebKit, Wi-Fi, Emoji that has been reported by a various security researcher from Different Organizations.
Same set related Vulnerabilities are affected the tvOS 11.4.1 that was fixed and released within this security updates for Apple TV 4K and Apple TV (4th generation).
According to Apple, For our customers’ protection, Apple doesn’t disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. This document lists recent releases.