CVE-2018-7557: Debian Linux

Medium severity, CVSS 6.5. EPSS: 1.9% chance of exploitation in the next 30 days.

The decode_init function in libavcodec/utvideodec.c in FFmpeg 2.8 through 3.4.2 allows remote attackers to cause a denial of service (Out of array read) via an AVI file with crafted dimensions within chroma subsampling data.

Affected products

• Debian Debian Linux: version 8.0 only; version 9.0 only
• Ffmpeg Ffmpeg: from 2.8, up to and including 3.4.2

Published 2018-02-28. Last modified 2026-06-17.