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CVE-2019-16378
CRITICAL
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.
Published: Sep 17, 2019
Modified: Jun 17, 2026
CWE-290
CVSS Metrics
CVSSv3
Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products (9)
| Vendor | Product | Version |
|---|---|---|
| trusteddomain | opendmarc | * |
| trusteddomain | opendmarc | 1.4.0 |
| trusteddomain | opendmarc | 1.4.0 |
| debian | debian_linux | 9.0 |
| debian | debian_linux | 10.0 |
| fedoraproject | fedora | 29 |
| fedoraproject | fedora | 30 |
| fedoraproject | fedora | 31 |
| canonical | ubuntu_linux | 18.04 |
GitHub Security Advisory GHSA-x9f6-xw7x-fm76
OpenDMARC through 1.3.2 and 1.4.x through 1.4.0-Beta1 is prone to a signature-bypass...
References (20)
- http://www.openwall.com/lists/oss-security/2019/09/17/2 Mailing List
- https://bugs.debian.org/940081 Mailing List, Third Party Advisory
- https://github.com/trusteddomainproject/OpenDMARC/pull/48 Patch, Third Party Advisory
- 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 Mailing List, Third Party Advisory
- https://usn.ubuntu.com/4567-1/ Third Party Advisory
- https://www.debian.org/security/2019/dsa-4526 Third Party Advisory
- https://www.openwall.com/lists/oss-security/2019/09/11/8 Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2019/09/17/2 Mailing List
- https://bugs.debian.org/940081 Mailing List, Third Party Advisory
- https://github.com/trusteddomainproject/OpenDMARC/pull/48 Patch, Third Party Advisory
- 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/
Risk Scores
CVSS Score
9.8 / 10
EPSS Score
2.46%
Top 17% most likely to be exploited
Threat Score
39.9 / 100
Data Sources
NVD
EPSS
GitHub