CVE-2019-16378
Publication date 17 September 2019
Last updated 25 August 2025
Ubuntu priority
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| opendmarc | 20.04 LTS focal |
Not affected
|
| 18.04 LTS bionic |
Fixed 1.3.2-3ubuntu0.1
|
|
| 16.04 LTS xenial |
Fixed 1.3.2-3ubuntu0.1
|
|
| 14.04 LTS trusty | Not in release |
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
9.8 · Critical
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-4567-1
- OpenDMARC vulnerability
- 5 October 2020