CVE:CVE-2021-39853
CNNVD:CNNVD-202109-886
Adobe Acrobat和Adobe Reader都是美国奥多比（Adobe）公司的产品。Adobe Acrobat是一套PDF文件编辑和转换工具。Adobe Reader是一套PDF文档阅读软件。
Adobe Acrobat 和 Reader存在代码问题漏洞，该漏洞源于NULL 指针取消引用错误。远程攻击者可以诱使受害者打开特制文件并执行拒绝服务 (DoS) 攻击。
solution:Upgrade adobe acrobat_dc to a higher version than 21.005.20060,21.005.20058,and avoid the version [15.008.20082,21.005.20060],[15.008.20082,21.005.20058]; Upgrade adobe acrobat_reader_dc to a higher version than 21.005.20060,and avoid the version [15.008.20082,21.005.20060]; Upgrade adobe acrobat to a higher version than 20.004.30006,and avoid the version [20.001.30005,20.004.30006]; Upgrade adobe acrobat_reader to a higher version than 20.004.30006,and avoid the version [20.001.30005,20.004.30006]