https://techcrunch.com/2021/01/26/apple-says-ios-14-4-fixes-three-security-bugs-under-active-attack/

Apple has released iOS 14.4 with security fixes for three vulnerabilities, said to be under active attack by hackers.

The technology giant said in its security update pages for iOS and iPadOS 14.4 that the three bugs affecting iPhones and iPads “may have been actively exploited.” Details of the vulnerabilities are scarce, and an Apple spokesperson declined to comment beyond what’s in the advisory.