SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2023-6601

This vulnerability allows bypassing unsafe file extension checks and triggering arbitrary demuxers via base64-encoded data URIs appended with specific file extensions.

MEDIUM 4.7EPSS 0.40%

Does this matter?

Lower severity and a low EPSS score (0.40%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.1
4.7 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
EPSS
0.40% probability · 34th percentile
CISA KEV
Not listed
Weakness
CWE-99, CWE-94
Affected
ffmpeg/ffmpeg
Source
patrick@puiterwijk.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.