Your submission was sent successfully! Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

CVE-2020-20892

Published: 20 September 2021

An issue was discovered in function filter_frame in libavfilter/vf_lenscorrection.c in Ffmpeg 4.2.1, allows attackers to cause a Denial of Service or other unspecified impacts due to a division by zero.

Priority

Medium

Cvss 3 Severity Score

8.8

Score breakdown

Status

Package Release Status
ffmpeg
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(7:3.4.11-0ubuntu0.1+esm2)
focal Not vulnerable
(7:4.2.7-0ubuntu0.1)
hirsute Not vulnerable
(4.3)
impish Not vulnerable
(7:4.4-6ubuntu5)
jammy Not vulnerable
(7:4.4.1-3ubuntu2)
kinetic Not vulnerable
(7:4.4.1-3ubuntu2)
lunar Not vulnerable
(7:4.4.1-3ubuntu2)
mantic Not vulnerable
(7:4.4.1-3ubuntu2)
noble Not vulnerable
(7:4.4.1-3ubuntu2)
trusty Does not exist

upstream
Released (4.3)
xenial
Released (7:2.8.17-0ubuntu0.1+esm1)
Available with Ubuntu Pro
Patches:
upstream: http://git.videolan.org/?p=ffmpeg.git;a=commit;h=19587c9332f5be4f6bc6d7b2b8ef3fd21dfeaa01
qtwebengine-opensource-src
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

hirsute Ignored
(end of life)
impish Ignored
(end of life)
jammy Needs triage

kinetic Ignored
(end of life, was needs-triage)
lunar Ignored
(end of life, was needs-triage)
mantic Ignored
(end of life, was needs-triage)
noble Needs triage

trusty Does not exist

upstream Needs triage

xenial Ignored
(end of standard support)
vice
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

hirsute Ignored
(end of life)
impish Ignored
(end of life)
jammy Needs triage

kinetic Ignored
(end of life, was needs-triage)
lunar Ignored
(end of life, was needs-triage)
mantic Ignored
(end of life, was needs-triage)
noble Needs triage

trusty Does not exist

upstream Needs triage

xenial 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