CVE-2023-6601
Ffmpeg: hls unsafe file extension bypass in ffmpeg
CVSS Score
4.7
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-99 |
| Published | Jan 6, 2025 |
| Last Updated | Nov 3, 2025 |
Stay Ahead of the Next One
Get instant alerts for
Be the first to know when new medium vulnerabilities are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
None
Availability
None