CVE-2020-22026

Publication date 26 May 2021

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

Buffer Overflow vulnerability exists in FFmpeg 4.2 in the config_input function at libavfilter/af_tremolo.c, which could let a remote malicious user cause a Denial of Service.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
ffmpeg	22.04 LTS jammy	Not affected
	21.10 impish	Not affected
	21.04 hirsute	Not affected
	20.10 groovy	Ignored end of life
	20.04 LTS focal	Fixed 7:4.2.7-0ubuntu0.1
	18.04 LTS bionic	Fixed 7:3.4.11-0ubuntu0.1
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not in release

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
ffmpeg	Upstream: https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=58bb9d3a3a6ede1c6cfb82bf671a5f138e6b2144

Severity score breakdown

Parameter	Value
Base score	6.5 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-5472-1
FFmpeg vulnerabilities
8 June 2022