CVEs-PoC/2018/CVE-2018-13785.md

### [CVE-2018-13785](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-13785)
![](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 libpng 1.6.34, a wrong calculation of row_factor in the png_check_chunk_length function (pngrutil.c) may trigger an integer overflow and resultant divide-by-zero while processing a crafted PNG file, leading to a denial of service.

### POC

#### Reference
- http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html

#### Github
- https://github.com/aflsmart/aflsmart