Description
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.
Published: 2025-01-06
Score: 4.7 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-4241-1 ffmpeg security update
EUVD EUVD EUVD-2023-58824 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.
History

Mon, 03 Nov 2025 20:30:00 +0000

Type Values Removed Values Added
References

Tue, 05 Aug 2025 18:15:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*

Tue, 15 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00037}

epss

{'score': 0.00047}


Mon, 06 Jan 2025 17:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-94
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 06 Jan 2025 16:45:00 +0000

Type Values Removed Values Added
Description 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.
Title Ffmpeg: hls unsafe file extension bypass in ffmpeg
Weaknesses CWE-99
References
Metrics cvssV3_1

{'score': 4.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: fedora

Published:

Updated: 2025-11-03T19:29:00.544Z

Reserved: 2023-12-08T06:52:14.817Z

Link: CVE-2023-6601

cve-icon Vulnrichment

Updated: 2025-11-03T19:29:00.544Z

cve-icon NVD

Status : Modified

Published: 2025-01-06T17:15:14.217

Modified: 2025-11-03T20:16:06.793

Link: CVE-2023-6601

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-07-13T11:22:57Z

Weaknesses