CVE:CVE-2021-30775
CNNVD:CNNVD-202107-1651
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存在缓冲区错误漏洞，该漏洞源于CoreAudio子系统中处理音频文件时出现边界错误。远程攻击者可利用该漏洞创建一个专门制作的音频文件，诱骗受害者打开它，触发内存损坏，并在目标系统上执行任意代码。
solution:Upgrade apple iphone_os to a higher version than 14.7,and avoid the version (,14.7); Upgrade apple mac_os_x to a higher version than 10.15.6,10.15.7,10.15.7:security_update_2020,10.15.7:security_update_2020-001,10.15.7:security_update_2020-005,10.15.7:security_update_2020-007,10.15.7:security_update_2021-001,10.15.7:security_update_2021-002,10.15.7:security_update_2021-003,10.15.7:supplemental_update,and avoid the version [10.15,10.15.6],10.15.7,10.15.7:security_update_2020,10.15.7:security_update_2020-001,10.15.7:security_update_2020-005,10.15.7:security_update_2020-007,10.15.7:security_update_2021-001,10.15.7:security_update_2021-002,10.15.7:security_update_2021-003,10.15.7:supplemental_update; 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)