cve/2023/CVE-2023-23456.md

### [CVE-2023-23456](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-23456)
![](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=Out-of-bounds%20Write&color=brighgreen)

### Description

A heap-based buffer overflow issue was discovered in UPX in PackTmt::pack() in p_tmt.cpp file. The flow allows an attacker to cause a denial of service (abort) via a crafted file.

### POC

#### Reference
- https://github.com/upx/upx/issues/632

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