CVE:CVE-2018-4146
CNNVD:CNNVD-201804-162
Apple iOS等都是美国苹果（Apple）公司的产品。Apple iOS是为移动设备所开发的一套操作系统；Safari是一款Web浏览器，是Mac OS X和iOS操作系统附带的默认浏览器。iCloud for Windows是一款基于Windows平台的云服务。WebKit是其中的一个Web浏览器引擎组件。
多款Apple产品中的WebKit组件存在安全漏洞。攻击者可借助特制的网站利用该漏洞造成拒绝服务（内存损坏）。以下产品和版本受到影响：Apple iOS 11.3之前版本；Safari 11.1之前版本；基于Windows平台的iCloud 7.4之前版本；基于Windows平台的iTunes 12.7.4之前版本；tvOS 11.3之前版本。
solution:Upgrade apple safari to a higher version than 11.1,and avoid the version (,11.1); Upgrade apple iphone_os to a higher version than 11.3,and avoid the version (,11.3); Upgrade apple tvos to a higher version than 11.3,and avoid the version (,11.3); Upgrade apple watchos to a higher version than 4.3,and avoid the version (,4.3); Upgrade apple icloud to a higher version than 7.4,and avoid the version (,7.4); Upgrade apple itunes to a higher version than 12.7.4,and avoid the version (,12.7.4); Upgrade canonical ubuntu_linux to a higher version than 16.04,17.10,and avoid the version 16.04,17.10; Upgrade webkitgtk webkitgtk+ to a higher version than 2.20.4,and avoid the version (,2.20.4)