CVE-2020-20891

2021-09-2000:00:00

ubuntu.com

cve-2020-20891

buffer overflow

ffmpeg 4.2.1

config_input

denial of service

unix

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.002

Percentile

59.2%

JSON

Buffer Overflow vulnerability in function config_input in
libavfilter/vf_gblur.c in Ffmpeg 4.2.1, allows attackers to cause a Denial
of Service or other unspecified impacts.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchqtwebengine-opensource-src< anyUNKNOWN
ubuntu20.04noarchqtwebengine-opensource-src< anyUNKNOWN
ubuntu22.04noarchqtwebengine-opensource-src< anyUNKNOWN
ubuntu24.04noarchqtwebengine-opensource-src< anyUNKNOWN
ubuntu18.04noarchvice< anyUNKNOWN
ubuntu20.04noarchvice< anyUNKNOWN
ubuntu22.04noarchvice< anyUNKNOWN
ubuntu24.04noarchvice< anyUNKNOWN
ubuntu16.04noarchvice< anyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	qtwebengine-opensource-src	< any	UNKNOWN
ubuntu	20.04	noarch	qtwebengine-opensource-src	< any	UNKNOWN
ubuntu	22.04	noarch	qtwebengine-opensource-src	< any	UNKNOWN
ubuntu	24.04	noarch	qtwebengine-opensource-src	< any	UNKNOWN
ubuntu	18.04	noarch	vice	< any	UNKNOWN
ubuntu	20.04	noarch	vice	< any	UNKNOWN
ubuntu	22.04	noarch	vice	< any	UNKNOWN
ubuntu	24.04	noarch	vice	< any	UNKNOWN
ubuntu	16.04	noarch	vice	< any	UNKNOWN