cve/2018/CVE-2018-1000518.md

### [CVE-2018-1000518](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000518)
![](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

aaugustin websockets version 4 contains a CWE-409: Improper Handling of Highly Compressed Data (Data Amplification) vulnerability in Servers and clients, unless configured with compression=None that can result in Denial of Service by memory exhaustion. This attack appear to be exploitable via Sending a specially crafted frame on an established connection. This vulnerability appears to have been fixed in 5.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/PalindromeLabs/awesome-websocket-security