CVE-2013-3671: Ffmpeg

Medium severity, CVSS 4.3. EPSS: 1.4% chance of exploitation in the next 30 days.

The format_line function in log.c in libavutil in FFmpeg before 1.2.1 uses inapplicable offset data during a certain category calculation, which allows remote attackers to cause a denial of service (invalid pointer dereference and application crash) via crafted data that triggers a log message.

Affected products

• Ffmpeg Ffmpeg: up to and including 1.2

Published 2013-06-10. Last modified 2026-06-16.