CVEs-PoC/2011/CVE-2011-4579.md

### [CVE-2011-4579](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4579)
![](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

The svq1_decode_frame function in the SVQ1 decoder (svq1dec.c) in libavcodec in FFmpeg 0.5.x before 0.5.7, 0.6.x before 0.6.4, 0.7.x before 0.7.9, and 0.8.x before 0.8.8; and in Libav 0.5.x before 0.5.6, 0.6.x before 0.6.4, and 0.7.x before 0.7.3 allows remote attackers to cause a denial of service (memory corruption) via a crafted SVQ1 stream, related to "dimensions changed."

### POC

#### Reference
- http://ffmpeg.org/
- http://ubuntu.com/usn/usn-1320-1
- http://ubuntu.com/usn/usn-1333-1

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