Apple on Monday released updates for iOS, iPadOS, watchOS, and macOS. The updates contain security patches, while iOS and iPadOS also has a fix for an issue with App Tracking Transparency.
Before updating, it’s a good idea to back up your data, just in case the update causes problems. To install the update, you need an internet connection. Also, your device will need to restart in order to finish the installation. Here are the steps.
Apple’s security notes state that the follow are fixed in the updates.
WebKit
Impact: Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
Description: A memory corruption issue was addressed with improved state management.
CVE-2021-30665: yangkang (@dnpushme)&zerokeeper&bianliang of 360 ATA
WebKit
Impact: Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
Description: An integer overflow was addressed with improved input validation.
CVE-2021-30663: an anonymous researcher
The following are the release notes for iOS and iPadOS 14.5.1
This update fixes an issue with App Tracking Transparency where some users who previously disabled Allow Apps to Request to Track in Settings may not receive prompts from apps after re-enabling it. This update also provides important security updates and is recommended for all users.
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