CVE-2020-9991 - Apple Icloud, Apple Mac OS X and Apple Tvos
Critical 7.5
This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.0, iOS 14.0 and iPadOS 14.0, iCloud for Windows 7.21, tvOS 14.0. A remote attacker may be able to cause a denial of service.
Affected software
Apple Icloud
Apple Mac OS X
Apple Tvos
Apple watchOS
Apple iPhone OS
Apple Ipad OS