CVEs-PoC/2021/CVE-2021-41817.md

### [CVE-2021-41817](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41817)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

Date.parse in the date gem through 3.2.0 for Ruby allows ReDoS (regular expression Denial of Service) via a long string. The fixed versions are 3.2.1, 3.1.2, 3.0.2, and 2.0.1.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/engn33r/awesome-redos-security
- https://github.com/lifeparticle/Ruby-Cheatsheet