cve/2023/CVE-2023-39741.md

### [CVE-2023-39741](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-39741)
![](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

lrzip v0.651 was discovered to contain a heap overflow via the libzpaq::PostProcessor::write(int) function at /libzpaq/libzpaq.cpp. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted file.

### POC

#### Reference
- https://gist.github.com/huanglei3/ec9090096aa92445cf0a8baa8e929084
- https://github.com/ckolivas/lrzip/issues/246
- https://github.com/huanglei3/lrzip_poc/tree/main/lrzip_heap_overflow

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