CVE-2013-2277: Ffmpeg

High severity, CVSS 7.5. EPSS: 2% chance of exploitation in the next 30 days.

The ff_h264_decode_seq_parameter_set function in h264_ps.c in libavcodec in FFmpeg before 1.1.3 does not validate the relationship between luma depth and chroma depth, which allows remote attackers to cause a denial of service (out-of-bounds array access and application crash) or possibly have unspecified other impact via crafted H.264 data.

Affected products

• Ffmpeg Ffmpeg: up to and including 1.1.2; 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 2013-02-27. Last modified 2026-06-16.