CVEs-PoC/2021/CVE-2021-23368.md

### [CVE-2021-23368](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23368)
![](https://img.shields.io/static/v1?label=Product&message=postcss&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=7.0.0%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=unspecified%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Regular%20Expression%20Denial%20of%20Service%20(ReDoS)&color=brightgreen)

### Description

The package postcss from 7.0.0 and before 8.2.10 are vulnerable to Regular Expression Denial of Service (ReDoS) during source map parsing.

### POC

#### Reference
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1244795
- https://snyk.io/vuln/SNYK-JS-POSTCSS-1090595

#### Github
- https://github.com/engn33r/awesome-redos-security
- https://github.com/seal-community/patches