CVE:CVE-2021-39860
CNNVD:CNNVD-202109-883
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 to a higher version than 17.011.30199,20.004.30006,and avoid the version [17.011.30059,17.011.30199],[20.001.30005,20.004.30006]; Upgrade adobe acrobat_reader to a higher version than 17.011.30199,20.004.30006,and avoid the version [17.011.30059,17.011.30199],[20.001.30005,20.004.30006]; Upgrade adobe acrobat_dc to a higher version than 21.005.20058,21.005.20060,and avoid the version [15.008.20082,21.005.20058],[15.008.20082,21.005.20060]; Upgrade adobe acrobat_reader_dc to a higher version than 21.005.20058,21.005.20060,and avoid the version [15.008.20082,21.005.20058],[15.008.20082,21.005.20060]