OpenDMARC through 1.3.2 and 1.4.x allows attacks that inject authentication results to provide false information about the domain that originated an e-mail message. This is caused by incorrect parsing and interpretation of SPF/DKIM authentication results, as demonstrated by the example.net(.example.com substring.
CVSS Details
- CVSS 3.1 Base Score: 5.3
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Apr 27, 2020 |
| Debian | — | Upgrade opendmarc | Aug 30, 2023 | Apr 27, 2020 |
| Freebsd | — | Upgrade opendmarc | Nov 4, 2022 | Dec 30, 2021 |
| Ubuntu | — | Upgrade libopendmarc2Upgrade opendmarcUpgrade opendmarc (Ubuntu Pro)Upgrade libopendmarc2 (Ubuntu Pro) | Sep 18, 2023 | Apr 27, 2020 |
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