CVE-2016-6881: Ffmpeg

Medium severity, CVSS 5.5. EPSS: 0.9% chance of exploitation in the next 30 days.

The zlib_refill function in libavformat/swfdec.c in FFmpeg before 3.1.3 allows remote attackers to cause an infinite loop denial of service via a crafted SWF file.

Affected products

• Ffmpeg Ffmpeg: up to and including 3.1.2

Published 2016-12-23. Last modified 2026-06-17.