Apple has released a set of updates that recommend all iPhone, iPad and Mac users to download as soon as possible. No, iOS 14.5 and Big Sur 11.3 have not been released yet. Instead, what we have are macOS.
When you download them to your devices, all you get is a brief explanation from Apple that they are “important.” However, the support pages were noticed by 9 to 5Mac provide more information. Both updates address a problem with memory corruption in WebKit, the engine that powers Apple’s Safari browser. The vulnerability, which was discovered by security researchers from Google and Microsoft, may have allowed bad participants to run code on your devices using “maliciously created”
On iOS, you can manually download an update to your iPhone or iPad by opening the Settings app and then tapping General, followed by Software Update. In the meantime, on macOS, open the System Preferences menu and click on “Software Update”.