CVE:CVE-2020-12100
CNNVD:CNNVD-202008-649
Dovecot是一款开源的基于类Linux/UNIX系统的IMAP和POP3邮件服务器。
Dovecot 2.3.11.3之前版本中存在安全漏洞。远程攻击者可借助特制的e-mail消息利用该漏洞造成拒绝服务（资源消耗）。
solution:Upgrade dovecot dovecot to a higher version than 2.3.11.3,and avoid the version (,2.3.11.3); Upgrade debian debian_linux to a higher version than 9.0,10.0,and avoid the version 9.0,10.0; Upgrade fedoraproject fedora to a higher version than 31,32,33,and avoid the version 31,32,33; Upgrade canonical ubuntu_linux to a higher version than 14.04,16.04,18.04,20.04,and avoid the version 14.04,16.04,18.04,20.04