FFmpeg: Multiple vulnerabilities

Background

FFmpeg is a complete, cross-platform solution to record, convert and stream audio and video.

Description

Multiple vulnerabilities have been discovered in FFmpeg. Please review the CVE identifiers referenced below for details.

gst-plugins-libav is affected because this package is bundling a vulnerable FFmpeg version.

Impact

A remote attacker could entice a user or automated system using FFmpeg to process a specially crafted file, resulting in the execution of arbitrary code or a Denial of Service.

Workaround

There is no known workaround at this time.

Resolution

All FFmpeg users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=media-video/ffmpeg-3.2.4"

All gst-plugins-libav users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose
 ">=media-plugins/gst-plugins-libav-1.10.4"