OpenDMARC through 1.3.2 and 1.4.x through 1.4.0-Beta1 is prone to a signature-bypass vulnerability with multiple From: addresses, which might affect applications that consider a domain name to be relevant to the origin of an e-mail message.
https://www.openwall.com/lists/oss-security/2019/09/11/8
https://www.debian.org/security/2019/dsa-4526
https://usn.ubuntu.com/4567-1/
https://seclists.org/bugtraq/2019/Sep/36
https://github.com/trusteddomainproject/OpenDMARC/pull/48