### [CVE-2009-4134](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-4134) ![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=%3D%20n%2Fa%20&color=brighgreen) ![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen) ### Description Buffer underflow in the rgbimg module in Python 2.5 allows remote attackers to cause a denial of service (application crash) via a large ZSIZE value in a black-and-white (aka B/W) RGB image that triggers an invalid pointer dereference. ### POC #### Reference No PoCs from references. #### Github - https://github.com/mudongliang/LinuxFlaw - https://github.com/oneoy/cve-