CVE:CVE-2021-30758
CNNVD:CNNVD-202107-1645
Apple macOS Big Sur是美国苹果（Apple）公司的一个手机应用APP。
Apple macOS Big Sur 11.5存在安全漏洞，该漏洞源于WebKit的类型混淆错误。远程攻击者可利用该漏洞诱骗受害者打开一个专门制作的网站，从而触发该漏洞，并在目标系统上执行任意代码。
solution:Upgrade apple safari to a higher version than 14.1.2,and avoid the version (,14.1.2); Upgrade apple iphone_os to a higher version than 14.7,and avoid the version (,14.7); Upgrade apple macos to a higher version than 11.5,and avoid the version (,11.5); Upgrade apple tvos to a higher version than 14.7,and avoid the version (,14.7); Upgrade apple watchos to a higher version than 7.6,and avoid the version (,7.6)