CVE-2023-6601 MEDIUM

CVE-2023-6601: Ffmpeg: hls unsafe file extension bypass in ffmpeg

Weakness CWE-99
Published January 6, 2025
Last update November 3, 2025
View on NVD All CVEs

CVSS base score

4.7/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality Low
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

January 6, 2025 CVE published
November 3, 2025 Record updated