VULNERABILITY INTELLIGENCE
CVE-2021-34555
CVSS score7.5 HIGH
EPSS probability2.75%
CISA KEVNot currently listed
Published2021-06-10
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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.
Weakness classification
- nvd@nist.gov: CWE-476
Primary references
- cve@mitre.org — Exploit, Issue Tracking, Patch, Third Party Advisory
- cve@mitre.org — Patch, Third Party Advisory
- cve@mitre.org
- cve@mitre.org
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108