CVE-2012-0856: Ffmpeg

Low severity, CVSS 2.6. EPSS: 1.7% chance of exploitation in the next 30 days.

Heap-based buffer overflow in the MPV_frame_start function in libavcodec/mpegvideo.c in FFmpeg before 0.9.1, when the lowres option is enabled, allows remote attackers to cause a denial of service (application crash) via a crafted H263 media file. NOTE: this vulnerability exists because of a regression error.

Affected products

• Ffmpeg Ffmpeg: up to and including 0.9; 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 2012-08-20. Last modified 2026-06-16.