### [CVE-2015-6820](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-6820) ![](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 ff_sbr_apply function in libavcodec/aacsbr.c in FFmpeg before 2.7.2 does not check for a matching AAC frame syntax element before proceeding with Spectral Band Replication calculations, which allows remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via crafted AAC data. ### POC #### Reference - http://ffmpeg.org/security.html - http://www.ubuntu.com/usn/USN-2944-1 #### Github No PoCs found on GitHub currently.