CVEs-PoC/2021/CVE-2021-21811.md

### [CVE-2021-21811](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21811)
![](https://img.shields.io/static/v1?label=Product&message=AT%26T&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-191%3A%20Integer%20Underflow%20(Wrap%20or%20Wraparound)&color=brighgreen)

### Description

A memory corruption vulnerability exists in the XML-parsing CreateLabelOrAttrib functionality of AT&T Labs’ Xmill 0.7. A specially crafted XML file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.

### POC

#### Reference
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1279

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