CVE:CVE-2021-30831
CNNVD:CNNVD-202110-1943
Apple tvOS是美国苹果（Apple）公司的一套智能电视操作系统。
Apple tvOS存在安全漏洞，该漏洞源于通过改进输入验证解决了越界读取问题。此问题已在 tvOS 15、watchOS 8、iOS 15 和 iPadOS 15 中修复。处理恶意制作的字体可能会导致进程内存泄露。
solution:Upgrade apple ipados to a higher version than 15.0,and avoid the version (,15.0); Upgrade apple iphone_os to a higher version than 15.0,and avoid the version (,15.0); Upgrade apple macos to a higher version than 12.0.1,and avoid the version (,12.0.1); Upgrade apple tvos to a higher version than 15.0,and avoid the version (,15.0); Upgrade apple watchos to a higher version than 8.0,and avoid the version (,8.0)