cve/2021/CVE-2021-40391.md

### [CVE-2021-40391](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40391)
![](https://img.shields.io/static/v1?label=Product&message=Gerbv&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-390%3A%20Detection%20of%20Error%20Condition%20Without%20Action&color=brighgreen)

### Description

An out-of-bounds write vulnerability exists in the drill format T-code tool number functionality of Gerbv 2.7.0, dev (commit b5f1eacd), and the forked version of Gerbv (commit 71493260). A specially-crafted drill file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.

### POC

#### Reference
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1402

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