CVE:CVE-2021-30943
CNNVD:CNNVD-202108-2046
Apple iOS等都是美国苹果（Apple）公司的产品。Apple iOS是一套为移动设备所开发的操作系统。Apple watchOS是一套智能手表操作系统。Apple iPadOS是一套用于iPad平板电脑的操作系统。
多款Apple产品安全中存在漏洞，该漏洞源于恶意用户可能能够离开消息组，但继续接收该组中的消息。
solution:Upgrade apple ipados to a higher version than 15.2,and avoid the version (,15.2); Upgrade apple iphone_os to a higher version than 15.2,and avoid the version (,15.2); Upgrade apple macos to a higher version than 12.1,and avoid the version [12.0.0,12.1); Upgrade apple watchos to a higher version than 8.3,and avoid the version (,8.3)