A critical and dangerous WebKit bug has been fixed
iOS and iPadOS 15.3 are now rolling out. The software update according to Apple is a critical Safari WebKit fix among others bug fixes. The Safari bug is with regards to the WebKit engine specifically the WebKit storage. The implementation of IndexedDB by WebKit allowed a website to access other website IndexedDB databases to collect sensitive information. Details such as user credentials and personal information.
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The dangerous bug allows a website to spy on other websites a user visits during the same browsing session. The device security firm FingerprintJS discovered the harmful exploit and every browser that uses the Webkit Engine is affected.
Moving on, an iCloud bug has been fixed which allowed an application to acquire access to user files on Apple’s cloud platform.
Other fixes are for the Crash Reporter, ColorSync, Kernel, and more. To learn more, refer to the Security Notes.
How to Update to iOS and iPadOS 15.3
Head over to Settings > General > Software Update. Wait for the update to pop up and then download and install.