CVE-2020-22033

2021-05-2719:15:08

Debian Security Bug Tracker

security-tracker.debian.org

cve-2020-22033

buffer overflow

ffmpeg

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
Debian12allffmpeg< 7:4.3.2-0+deb11u2ffmpeg_7:4.3.2-0+deb11u2_all.deb
Debian11allffmpeg< 7:4.3.2-0+deb11u2ffmpeg_7:4.3.2-0+deb11u2_all.deb
Debian999allffmpeg< 7:4.3.2-0+deb11u2ffmpeg_7:4.3.2-0+deb11u2_all.deb
Debian13allffmpeg< 7:4.3.2-0+deb11u2ffmpeg_7:4.3.2-0+deb11u2_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	ffmpeg	< 7:4.3.2-0+deb11u2	ffmpeg_7:4.3.2-0+deb11u2_all.deb
Debian	11	all	ffmpeg	< 7:4.3.2-0+deb11u2	ffmpeg_7:4.3.2-0+deb11u2_all.deb
Debian	999	all	ffmpeg	< 7:4.3.2-0+deb11u2	ffmpeg_7:4.3.2-0+deb11u2_all.deb
Debian	13	all	ffmpeg	< 7:4.3.2-0+deb11u2	ffmpeg_7:4.3.2-0+deb11u2_all.deb