CVE-2020-9988

The issue was addressed with improved deletion. This issue is fixed in macOS Big Sur 11.0.1, iOS 14.0 and iPadOS 14.0. A local user may be able to discover a user’s deleted messages.

Date published : 2020-12-08

http://seclists.org/fulldisclosure/2020/Dec/32

https://support.apple.com/en-us/HT211850