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CVE-2020-20891

Published: 20 September 2021

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.

Priority

Medium

Cvss 3 Severity Score

8.8

Score breakdown

Status

Package Release Status
qtwebengine-opensource-src
Launchpad, Ubuntu, Debian
kinetic Ignored
(end of life, was needs-triage)
bionic Needs triage

focal Needs triage

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

trusty Does not exist

upstream Needs triage

xenial Ignored
(end of standard support)
mantic Needs triage

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

focal Needs triage

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

trusty Does not exist

upstream Needs triage

xenial Needs triage

mantic Needs triage

lunar Ignored
(end of life, was needs-triage)
ffmpeg
Launchpad, Ubuntu, Debian
kinetic Not vulnerable
(7:4.4.1-3ubuntu2)
lunar Not vulnerable
(7:4.4.1-3ubuntu2)
hirsute Not vulnerable
(4.3)
impish Not vulnerable
(7:4.4-6ubuntu5)
jammy Not vulnerable
(7:4.4.1-3ubuntu2)
trusty Does not exist

xenial Not vulnerable
(code not present)
mantic Not vulnerable
(7:4.4.1-3ubuntu2)
bionic Not vulnerable
(7:3.4.11-0ubuntu0.1+esm2)
focal Not vulnerable
(7:4.2.7-0ubuntu0.1)
upstream
Released (4.2.2)
Patches:
upstream: https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/64a805883d7223c868a683f0030837d859edd2ab

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