Vulnerability 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.
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Trusteddomain | Opendmarc | 1.4.1 |
| Fedoraproject | Fedora | 33 |
Related Weaknesses (CWE)
References
- https://github.com/trusteddomainproject/OpenDMARC/issues/179ExploitIssue TrackingPatch
- https://github.com/trusteddomainproject/OpenDMARC/pull/178PatchThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://github.com/trusteddomainproject/OpenDMARC/issues/179ExploitIssue TrackingPatch
- https://github.com/trusteddomainproject/OpenDMARC/pull/178PatchThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
FAQ
What is CVE-2021-34555?
CVE-2021-34555 is a vulnerability with a CVSS score of 7.5 (HIGH). 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.
How severe is CVE-2021-34555?
CVE-2021-34555 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-34555?
Check the references section above for vendor advisories and patch information. Affected products include: Trusteddomain Opendmarc, Fedoraproject Fedora.