CVEs-PoC/2021/CVE-2021-28855.md

### [CVE-2021-28855](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28855)
![](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

In Deark before 1.5.8, a specially crafted input file can cause a NULL pointer dereference in the dbuf_write function (src/deark-dbuf.c).

### POC

#### Reference
- https://fatihhcelik.github.io/posts/NULL-Pointer-Dereference-Deark/

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