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CVE-2020-20898

Published: 20 September 2021

Integer Overflow vulnerability in function filter16_prewitt in libavfilter/vf_convolution.c in Ffmpeg 4.2.1, allows attackers to cause a Denial of Service or other unspecified impacts.

Priority

Medium

Cvss 3 Severity Score

8.8

Score breakdown

Status

Package Release Status
ffmpeg
Launchpad, Ubuntu, Debian
impish Not vulnerable
(7:4.3.1-4ubuntu1)
hirsute Not vulnerable
(7:4.3.1-4ubuntu1)
kinetic Not vulnerable
(7:4.3.1-4ubuntu1)
bionic Not vulnerable
(code not present)
focal
Released (7:4.2.7-0ubuntu0.1+esm3)
Available with Ubuntu Pro
jammy Not vulnerable
(7:4.3.1-4ubuntu1)
lunar Not vulnerable
(7:4.3.1-4ubuntu1)
trusty Does not exist

upstream
Released (7:4.3-2)
xenial Not vulnerable
(code not present)
mantic Not vulnerable
(7:4.3.1-4ubuntu1)
Patches:
upstream: https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/99f8d32129dd233d4eb2efa44678a0bc44869f23
qtwebengine-opensource-src
Launchpad, Ubuntu, Debian
kinetic Ignored
(end of life, was needs-triage)
impish Ignored
(end of life)
bionic Needs triage

focal Needs triage

hirsute Ignored
(end of life)
jammy Needs triage

lunar Needs triage

trusty Does not exist

upstream Needs triage

xenial Ignored
(end of standard support)
mantic Needs triage

vice
Launchpad, Ubuntu, Debian
kinetic Ignored
(end of life, was needs-triage)
impish Ignored
(end of life)
bionic Needs triage

focal Needs triage

hirsute Ignored
(end of life)
jammy Needs triage

lunar Needs triage

trusty Does not exist

upstream Needs triage

xenial Needs triage

mantic Needs triage

Severity score breakdown

Parameter Value
Base score 8.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H