CVE-2013-7020: Debian Linux

Medium severity, CVSS 6.8. EPSS: 1.7% chance of exploitation in the next 30 days.

The read_header function in libavcodec/ffv1dec.c in FFmpeg before 2.1 does not properly enforce certain bit-count and colorspace constraints, 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.

Affected products

• Debian Debian Linux: version 6.0 only
• Ffmpeg Ffmpeg: up to and including 2.0.1; version 0.3 only; version 0.3.1 only; version 0.3.2 only; version 0.3.3 only; version 0.3.4 only; …

Published 2013-12-09. Last modified 2026-06-17.