NULL pointer dereference in Trusteddomain Opendmarc

CVE-2021-34555

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.

EPSS: 0.027 (84.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-34555?
CVE-2021-34555 is a high-severity vulnerability in Trusteddomain Opendmarc, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2021-06-10.
How severe is CVE-2021-34555?
High severity. CVSS v3 base score is 7.5 out of 10.