CVE:CVE-2019-20790
CNNVD:CNNVD-202004-2167
OpenDMARC是The Trusted Domain项目的一款DMARC（基于域的消息认证、报告和一致性）规范的开源实现。
OpenDMARC 1.3.2及之前版本和1.4.x版本（使用pypolicyd-spf 2.0.2版本）中存在安全漏洞。攻击者可利用该漏洞绕过SPF及DMARC身份验证。
solution:Upgrade trusteddomain opendmarc to a higher version than 1.3.2,1.4.0,and avoid the version [1.3.0,1.3.2],1.4.0; Upgrade pypolicyd-spf_project pypolicyd-spf to a higher version than 2.0.2,and avoid the version 2.0.2; Upgrade fedoraproject fedora to a higher version than 33,34,and avoid the version 33,34