CVE:CVE-2021-1871
CNNVD:CNNVD-202101-2426
WebKit是KDE、苹果（Apple）、谷歌（Google）等公司共同开发的一套开源的Web浏览器引擎。
Apple WebKit 存在安全漏洞，远程攻击者利用该漏洞可能会导致任意代码执行。以下产品和版本受到影响： iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch (7th generation)。
solution:Upgrade apple ipad_os to a higher version than 14.4,and avoid the version (,14.4); Upgrade apple iphone_os to a higher version than 14.4,and avoid the version (,14.4); Upgrade apple mac_os_x to a higher version than 10.15.7,10.15.7,10.15.7:security_update_2020,10.15.7:supplemental_update,and avoid the version [10.15,10.15.7),10.15.7,10.15.7:security_update_2020,10.15.7:supplemental_update; Upgrade apple macos to a higher version than 11.2,and avoid the version [11.0.1,11.2); Upgrade debian debian_linux to a higher version than 10.0,and avoid the version 10.0; Upgrade fedoraproject fedora to a higher version than 33,and avoid the version 33