CVE-2019-16378

medium

Published — · Modified —

CVSS v3

—

CVSS v2

—

VIR risk

5.5

Description

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.

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2019-16378

OS impact

OS	Version	Status	Fixed in
arch		fixed	`1.4.0-1`
debian	bookworm	fixed	`1.3.2-7`
debian	bullseye	fixed	`1.3.2-7`
debian	forky	fixed	`1.3.2-7`
debian	sid	fixed	`1.3.2-7`
debian	trixie	fixed	`1.3.2-7`

References

https://security-tracker.debian.org/tracker/CVE-2019-16378

Verify integrity in audit chain (admin only). AS-IS.