cve/2019/CVE-2019-7317.md

### [CVE-2019-7317](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7317)
![](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

png_image_free in png.c in libpng 1.6.x before 1.6.37 has a use-after-free because png_image_free_function is called under png_safe_execute.

### POC

#### Reference
- http://packetstormsecurity.com/files/152561/Slackware-Security-Advisory-libpng-Updates.html
- https://usn.ubuntu.com/3991-1/
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://www.oracle.com/security-alerts/cpuoct2021.html

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/arindam0310018/04-Apr-2022-DevOps__Scan-Images-In-ACR-Using-Trivy