CVE:CVE-2021-21089
CNNVD:CNNVD-202109-1975
Adobe Acrobat Reader是美国奥多比（Adobe）公司的一款PDF查看器。该软件用于打印，签名和注释 PDF。
Adobe Acrobat Reader DC存在缓冲区错误漏洞，该漏洞源于未经身份验证的攻击者可利用该漏洞可以利用这个漏洞升级特权。
solution:Upgrade adobe acrobat_dc to a higher version than 20.013.20074,20.001.30018,17.011.30188,and avoid the version [20.006.20034,20.013.20074],[20.001.30005,20.001.30018],[17.011.30158,17.011.30188]; Upgrade adobe acrobat_reader_dc to a higher version than 20.013.20074,20.001.30018,17.011.30188,and avoid the version [20.006.20034,20.013.20074],[20.001.30005,20.001.30018],[17.011.30158,17.011.30188]