CVE-2023-6601: Ffmpeg

Medium severity, CVSS 4.7. EPSS: 0.4% chance of exploitation in the next 30 days.

A flaw was found in FFmpeg's HLS demuxer. This vulnerability allows bypassing unsafe file extension checks and triggering arbitrary demuxers via base64-encoded data URIs appended with specific file extensions.

Affected products

• Ffmpeg Ffmpeg: from 2.0, up to and including 6.0

Published 2025-01-06. Last modified 2026-06-17.