CVE-2021-34555
HIGH7.5EPSS 0.48%Published: 6/10/2021Modified: 4/28/2026
Description
OpenDMARC 1.4.1 and 1.4.1.1 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a multi-value From header field.
Affected packages (1)
- Debian/opendmarcfrom 0, < 1.4.0~beta1+dfsg-6
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |