CVEs-PoC/2021/CVE-2021-32816.md

### [CVE-2021-32816](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-32816)
![](https://img.shields.io/static/v1?label=Product&message=WebClient&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%203.16.60%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-400%20Uncontrolled%20Resource%20Consumption&color=brightgreen)

### Description

ProtonMail Web Client is the official AngularJS web client for the ProtonMail secure email service. ProtonMail Web Client before version 3.16.60 has a regular expression denial-of-service vulnerability. This was fixed in commit 6687fb. There is a full report available in the referenced GHSL-2021-027.

### POC

#### Reference
- https://github.com/ProtonMail/WebClient/commit/6687fbb867ef872c96cf4fde68cb6e9c58d3fddc
- https://securitylab.github.com/advisories/GHSL-2021-027-redos-ProtonMail/

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