CVE-2020-22033

2021-05-2700:00:00

ubuntu.com

heap-based

buffer overflow

ffmpeg 4.2

libavfilter

denial of service

unix

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.004

Percentile

73.4%

JSON

A heap-based Buffer Overflow Vulnerability exists FFmpeg 4.2 at
libavfilter/vf_vmafmotion.c in convolution_y_8bit, which could let a remote
malicious user cause a Denial of Service.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchffmpeg< 7:3.4.11-0ubuntu0.1UNKNOWN
ubuntu20.04noarchffmpeg< 7:4.2.7-0ubuntu0.1UNKNOWN
ubuntu21.10noarchffmpeg< 7:4.4.2-0ubuntu0.21.10.1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	ffmpeg	< 7:3.4.11-0ubuntu0.1	UNKNOWN
ubuntu	20.04	noarch	ffmpeg	< 7:4.2.7-0ubuntu0.1	UNKNOWN
ubuntu	21.10	noarch	ffmpeg	< 7:4.4.2-0ubuntu0.21.10.1	UNKNOWN