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JLSEC-2025-146 Medium 4.7

A flaw was found in FFmpeg's HLS demuxer

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JLSEC Published
Modified
Severity
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
Affected Packages
FFMPEG_jll < 6.1.1+0
FFplay_jll < 7.1.0+0
Upstream
CVE-2023-6601

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.

References