CVEs-PoC/2021/CVE-2021-39914.md

### [CVE-2021-39914](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39914)
![](https://img.shields.io/static/v1?label=Product&message=GitLab&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Uncontrolled%20resource%20consumption%20in%20GitLab&color=brighgreen)

### Description

A regular expression denial of service issue in GitLab versions 8.13 to 14.2.5, 14.3.0 to 14.3.3 and 14.4.0 could cause excessive usage of resources when a specially crafted username was used when provisioning a new user

### POC

#### Reference
- https://gitlab.com/gitlab-org/gitlab/-/issues/289948

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