CVE-2014-8547: Canonical Ubuntu Linux

High severity, CVSS 7.5. EPSS: 3.1% chance of exploitation in the next 30 days.

libavcodec/gifdec.c in FFmpeg before 2.4.2 does not properly compute image heights, which allows remote attackers to cause a denial of service (out-of-bounds access) or possibly have unspecified other impact via crafted GIF data.

Affected products

• Canonical Ubuntu Linux: version 12.04 only
• Ffmpeg Ffmpeg: up to and including 2.4.1; 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 2014-11-05. Last modified 2026-06-17.