system
Describe <CVE-2013-7011>.
user
What is <CVE-2013-7011>?
assistant
The read_header function in libavcodec/ffv1dec.c in FFmpeg before 2.1 does not prevent changes to global parameters, which allows remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via crafted FFV1 data..