cve/2018/CVE-2018-15503.md

### [CVE-2018-15503](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-15503)
![](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

The unpack implementation in Swoole version 4.0.4 lacks correct size checks in the deserialization process. An attacker can craft a serialized object to exploit this vulnerability and cause a SEGV.

### POC

#### Reference
- https://x-c3ll.github.io/posts/swoole-deserialization-cve-2018-15503/
- https://x-c3ll.github.io/posts/swoole-deserialization-cve-2018-15503/

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