CVE-2020-20453

2021-05-2500:00:00

ubuntu.com

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:N/I:N/A:P

0.011 Low

EPSS

Percentile

84.0%

JSON

FFmpeg 4.2 is affected by a Divide By Zero issue via libavcodec/aaccoder,
which allows a remote malicious user to 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
ubuntu16.04noarchffmpeg< 7:2.8.17-0ubuntu0.1+esm1UNKNOWN

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
ubuntu	16.04	noarch	ffmpeg	< 7:2.8.17-0ubuntu0.1+esm1	UNKNOWN