CVEs-PoC/2021/CVE-2021-42219.md

### [CVE-2021-42219](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42219)
![](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

Go-Ethereum v1.10.9 was discovered to contain an issue which allows attackers to cause a denial of service (DoS) via sending an excessive amount of messages to a node. This is caused by missing memory in the component /ethash/algorithm.go.

### POC

#### Reference
- https://docs.google.com/document/d/1dYFSpNZPC0OV-n1mMqdc269u9yYU1XQy/edit?usp=sharing&ouid=112110745137218798745&rtpof=true&sd=true

#### Github
- https://github.com/demining/Solidity-Forcibly-Send-Ether-Vulnerability