On March 8, 2021, Apple launched a Software Security Update For almost all the devices in the ecosystem.
iPhone / iPad received iOS 14.4.1 / Ipados 14.4.1, for Mac The version was launched macOS Big Sur 11.2.3, again Apple Watch received watchOS 7.3.2.
All versions have in common the solving of a security problem, which allowed the execution of an arbitrary malicious code, through the web content.
WebKit
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: A memory corruption issue was addressed with improved validation.
CVE-2021-1844: Clément Lecigne of Google’s Threat Analysis Group, Alison Huffman of Microsoft Browser Vulnerability Research
Apparently, this problem was quite serious and did not support postponement. Apple is about to launch in the next period Watchos 7.4, a version that will bring some interesting news for Apple Watch owners. However, this secuity update did not endure postponement to be included in a future version.
As for Macos Catalina and Macos Mojave, an update for Safari is available on these devices, which will solve this security problem.
The update is available and recommended for all deviceiPhone 6s (or newer meles), iPad mini 4 (or newer models), iPod touch (gen. 7), Apple Watch Series 3 (or newer models) and all Mac with Macos Mojave, Catalina or Macos Big Sur.
