### [CVE-2021-21829](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21829)
![](https://img.shields.io/static/v1?label=Product&message=AT%26T&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=AT%26T%20Labs%20Xmill%200.7%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-122%3A%20Heap-based%20Buffer%20Overflow&color=brightgreen)

### Description

A heap-based buffer overflow vulnerability exists in the XML Decompression EnumerationUncompressor::UncompressItem functionality of AT&T Labs’ Xmill 0.7. A specially crafted XMI file can lead to remote code execution. An attacker can provide a malicious file to trigger this vulnerability.

### POC

#### Reference
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1292

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