cve/2021/CVE-2021-36530.md

### [CVE-2021-36530](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36530)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

ngiflib 0.4 has a heap overflow in GetByteStr() at ngiflib.c:108 in NGIFLIB_NO_FILE mode, GetByteStr() copy memory buffer without checking the boundary.

### POC

#### Reference
- https://github.com/miniupnp/ngiflib/issues/19

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/Marsman1996/pocs