cve/2018/CVE-2018-18311.md

### [CVE-2018-18311](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18311)
![](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

Perl before 5.26.3 and 5.28.x before 5.28.1 has a buffer overflow via a crafted regular expression that triggers invalid write operations.

### POC

#### Reference
- https://hackerone.com/reports/424447
- https://www.oracle.com/security-alerts/cpuapr2020.html
- https://www.oracle.com/security-alerts/cpujul2020.html

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