OpenDMARC through 1.3.2 and 1.4.x through 1.4.0-Beta1 is prone to a signature-bypass…
Priority MEDIUM 47CWE-290Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-290.
Summary
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.
Why it matters now
EPSS 0.02457 84th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 9
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:trusteddomain:opendmarc:*:*:*:*:*:*:*:* | up to 1.3.2 | Vulnerable | Trusteddomain |
| cpe:2.3:a:trusteddomain:opendmarc:1.4.0:beta:*:*:*:*:*:* | 1.4.0 beta | Vulnerable | Trusteddomain |
| cpe:2.3:a:trusteddomain:opendmarc:1.4.0:beta1:*:*:*:*:*:* | 1.4.0 beta1 | Vulnerable | Trusteddomain |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 10.0 | Vulnerable | Debian |
| cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* | 29 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* | 30 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* | 31 | Vulnerable | Fedoraproject |
| cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* | 18.04 | Vulnerable | Canonical |
- cpe:2.3:a:trusteddomain:opendmarc:*:*:*:*:*:*:*:* Versions up to 1.3.2 Vulnerable ·Trusteddomain
- cpe:2.3:a:trusteddomain:opendmarc:1.4.0:beta:*:*:*:*:*:* Versions 1.4.0 beta Vulnerable ·Trusteddomain
- cpe:2.3:a:trusteddomain:opendmarc:1.4.0:beta1:*:*:*:*:*:* Versions 1.4.0 beta1 Vulnerable ·Trusteddomain
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
- cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* Versions 29 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* Versions 30 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* Versions 31 Vulnerable ·Fedoraproject
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Versions 18.04 Vulnerable ·Canonical
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2019-16378
- 2026-10-03 Alias added: GHSA-x9f6-xw7x-fm76
References
Advisory 8
Sources
- CVE-2019-16378 · CVE Program
- CVE-2019-16378 · NVD
- FIRST EPSS
- GHSA-x9f6-xw7x-fm76 · GitHub Advisory Database · CC BY 4.0
- CVE-2019-16378 · Red Hat security data · CC BY 4.0
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