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iOS 14.4.2 and iPadOS 14.4.2

iOS 14.4.2 is a security update available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2 and later, iPad 5th generation and later, iPad mini 4 and later, and iPod touch (7th generation)

iOS 14 Logo Original:  Apple Inc. Vectorization: Dane, Public domain, via Wikimedia Commons

TL:DR— Install right away. Security fixes.

Step by step instructions

  • Open 'Software Update' from 'Settings -> General'
  • Download and install, a restart is required and it takes some time
Screenshot - iPhone 11 Pro Max update screen
Screenshot - iPhone 11 Pro Max up to date

Security Fixes

  • Available for: iPhone 5s, iPhone 6, iPhone 6 Plus, iPad Air, iPad mini 2, iPad mini 3, and iPod touch (6th generation)
  • Impact: Processing maliciously crafted web content may lead to universal cross site scripting. Apple is aware of a report that this issue may have been actively exploited.
  • Description: This issue was addressed by improved management of object lifetimes.
  • CVE-2021-1879: Clement Lecigne of Google Threat Analysis Group and Billy Leonard of Google Threat Analysis Group

Confirming the iPhone, iPod touch or iPad has been updated

  • Navigate to 'Settings'
  • Select 'General'
  • Select About
  • Software Version will be '12.5.2'

See also: About the security content of iOS 12.5.2