Apple has released security updates to fix vulnerabilities in iOS 14.4.1, macOS Big Sur 11.2.3, watchOS 7.3.2 and Safari 14.0.3.
A hacker could exploit some of these vulnerabilities to take control of affected devices.
iOS 14.4.1 and iPadOS 14.4.1
The latest iOS 14.4.1 and iPadOS 14.4.1 security update addressed just one memory corruption vulnerability CVE-2021-1844.
The vulnerability was discovered and reported by Clément Lecigne of Google’s Threat Analysis Group and Alison Huffman of Microsoft Browser Vulnerability Research team.
Apple warned that the processing of maliciously crafted web content may lead to arbitrary code execution.
The update is available for iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later and iPod touch (7th generation) models.
macOS Big Sur 11.2.3
In addition, Apple also fixed CVE-2021-1844 in macOS Big Sur 11.2.3. The update is available for all macOS Big Sur versions.
The latest Apple Watch 7.3.2 security update addressed the same CVE-2021-1844 that affected iOS and macOS Big Sur devices. The update is available for Apple Watch Series 3 and later models.
Finally, Apple addressed CVE-2021-1844 in the latest Safari update 14.0.3. After the update, the build number for Safari 14.0.3 is 14610.4.3.1.7 on macOS Mojave and 15610.4.3.1.7 on macOS Catalina.