CVE-2019-16378

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-09-17 · updated 2026-06-17
Weakness: CWE-290

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.

Affected products

Canonical Ubuntu Linux: 18.04
Debian Linux: 9.0, 10.0
Fedoraproject Fedora: 29, 30, 31
Trusteddomain Opendmarc: through 1.3.2; 1.4.0-beta, 1.4.0-beta1

References

http://www.openwall.com/lists/oss-security/2019/09/17/2
https://bugs.debian.org/940081
https://github.com/trusteddomainproject/OpenDMARC/pull/48
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6HEWDFGRKQHIWKFZH5BNWQDGUPNR7VH3/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PEUBIHJLMPMB6KHOSGDMUQKSAW4HOCYM/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y7RT6ID7MBCEPNZEIUKK2TZIOCYPJR6E/
https://seclists.org/bugtraq/2019/Sep/36
https://usn.ubuntu.com/4567-1/
https://www.debian.org/security/2019/dsa-4526
https://www.openwall.com/lists/oss-security/2019/09/11/8
http://www.openwall.com/lists/oss-security/2019/09/17/2
https://bugs.debian.org/940081

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