CVE-2014-7933: Ffmpeg

High severity, CVSS 7.5. EPSS: 2.8% chance of exploitation in the next 30 days.

Use-after-free vulnerability in the matroska_read_seek function in libavformat/matroskadec.c in FFmpeg before 2.5.1, as used in Google Chrome before 40.0.2214.91, allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted Matroska file that triggers improper maintenance of tracks data.

Affected products

• Ffmpeg Ffmpeg: up to and including 2.5.0
• Google Chrome: up to and including 40.0.2214.85

Published 2015-01-22. Last modified 2026-06-17.