CVE-2021-1809 - Apple Tvos, Apple iPhone OS and Apple watchOS
Critical 7.5
A memory corruption issue was addressed with improved validation. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. A malicious application may be able to read restricted memory.
Affected software
Apple Tvos
Apple iPhone OS
Apple watchOS
Apple Macos
Apple Mac OS X
Apple Ipados