cve/2024/CVE-2024-2653.md

### [CVE-2024-2653](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-2653)
![](https://img.shields.io/static/v1?label=Product&message=amphp%2Fhttp&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=amphp%2Fhttp-client&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=2.0.0-beta.1%3C%3D%202.1.0%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=v4.0.0-rc10%3C%3D%204.0.0%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-789%3A%20Memory%20Allocation%20with%20Excessive%20Size%20Value&color=brighgreen)

### Description

amphp/http will collect CONTINUATION frames in an unbounded buffer and will not check a limit until it has received the set END_HEADERS flag, resulting in an OOM crash.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/Ampferl/poc_http2-continuation-flood
- https://github.com/DrewskyDev/H2Flood
- https://github.com/Vos68/HTTP2-Continuation-Flood-PoC
- https://github.com/lockness-Ko/CVE-2024-27316