CVEs-PoC/2020/CVE-2020-18778.md

### [CVE-2020-18778](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-18778)
![](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 Libav 12.3, there is a heap-based buffer over-read in vc1_decode_p_mb_intfi in vc1_block.c that allows an attacker to cause denial-of-service via a crafted file.

### POC

#### Reference
- https://bugzilla.libav.org/show_bug.cgi?id=1155

#### Github
- https://github.com/Live-Hack-CVE/CVE-2020-18778