CVEs-PoC/2021/CVE-2021-27799.md

### [CVE-2021-27799](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27799)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brightgreen)

### Description

ean_leading_zeroes in backend/upcean.c in Zint Barcode Generator 2.9.1 has a stack-based buffer overflow that is reachable from the C API through an application that includes the Zint Barcode Generator library code.

### POC

#### Reference
- https://sourceforge.net/p/zint/tickets/218/

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