cve/2021/CVE-2021-34555.md

### [CVE-2021-34555](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34555)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brightgreen)

### 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.

### POC

#### Reference
- https://github.com/trusteddomainproject/OpenDMARC/issues/179

#### Github
No PoCs found on GitHub currently.