cve/2023/CVE-2023-31102.md

### [CVE-2023-31102](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-31102)
![](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

Ppmd7.c in 7-Zip before 23.00 allows an integer underflow and invalid read operation via a crafted 7Z archive.

### POC

#### Reference
- https://ds-security.com/post/integer-overflow-in-7-zip-cve-2023-31102/

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