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.

CVSS v3.1

7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0

5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS

2.75% chance of exploitation in the next 30 days, 85th percentile

Published

2021-06-10

Updated

2024-08-04

Proof-of-concept exploits (1)

• trusteddomainproject/OpenDMARC/issues/179

References

• CVE Record
• NVD entry

Related

• CVE-2020-12460
• CVE-2021-34546
• CVE-2021-34558
• CVE-2021-34544
• CVE-2021-3456
• CVE-2021-34543