### [CVE-2021-41581](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41581)
![](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

x509_constraints_parse_mailbox in lib/libcrypto/x509/x509_constraints.c in LibreSSL through 3.4.0 has a stack-based buffer over-read. When the input exceeds DOMAIN_PART_MAX_LEN, the buffer lacks '\0' termination.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/ChrisAdkin8/Nomad-Job-Vulnerability-Tagging