CVE-2023-6601: ffmpeg Code Injection — Exploit

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.

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CVSS v3.1 Score

4.7

MEDIUM

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

Weakness Type (CWE)

CWE-99 CWE-99

CWE-94 CWE-94

Affected Products

Vendor	Product	Versions
ffmpeg	ffmpeg	2.0 — 6.0

References

Exploits

https://bugzilla.redhat.com/show_bug.cgi?id=2253172

Other References

https://lists.debian.org/debian-lts-announce/2025/07/msg00004.html

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 4.7 (MEDIUM).

How severe is CVE-2023-6601? +

CVE-2023-6601 has a CVSS v3.1 score of 4.7 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2023-6601? +

CVE-2023-6601 affects products from ffmpeg, specifically: ffmpeg. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-6601? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2023-6601