CVE-2023-6601

Publication date 6 January 2025

Last updated 11 July 2025

Ubuntu priority

Cvss 3 Severity Score

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.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libav	25.10 questing	Not in release
	25.04 plucky	Not in release
	24.10 oracular	Not in release
	24.04 LTS noble	Not in release
	22.04 LTS jammy	Not in release
	20.04 LTS focal	Not in release
	14.04 LTS trusty	Needs evaluation
ffmpeg	25.10 questing	Vulnerable, fix deferred
	25.04 plucky	Vulnerable, fix deferred
	24.10 oracular	Ignored end of life, was deferred [2025-06-02]
	24.04 LTS noble	Vulnerable, fix deferred
	22.04 LTS jammy	Vulnerable, fix deferred
	20.04 LTS focal	Vulnerable, fix deferred
	18.04 LTS bionic	Vulnerable, fix deferred
	16.04 LTS xenial	Vulnerable, fix deferred

Notes

bruce-cable

As of 2025-06-02 no patch available

Severity score breakdown

Parameter	Value
Base score	4.7 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Changed
Confidentiality	Low
Integrity impact	None
Availability impact	None
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N