CVE-2020-20902
Published: 20 September 2021
A CWE-125: Out-of-bounds read vulnerability exists in long_term_filter function in g729postfilter.c in FFmpeg 4.2.1 during computation of the denominator of pseudo-normalized correlation R'(0), that could result in disclosure of information.
Priority
Status
Package | Release | Status |
---|---|---|
qtwebengine-opensource-src Launchpad, Ubuntu, Debian |
kinetic |
Ignored
(end of life, was needs-triage)
|
jammy |
Needs triage
|
|
impish |
Ignored
(end of life)
|
|
bionic |
Needs triage
|
|
focal |
Needs triage
|
|
hirsute |
Ignored
(end of life)
|
|
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)
|
jammy |
Needs triage
|
|
impish |
Ignored
(end of life)
|
|
bionic |
Needs triage
|
|
focal |
Needs triage
|
|
hirsute |
Ignored
(end of life)
|
|
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 |
jammy |
Not vulnerable
(7:4.4.1-3ubuntu2)
|
kinetic |
Not vulnerable
(7:4.4.1-3ubuntu2)
|
|
focal |
Not vulnerable
(7:4.2.2-1ubuntu1)
|
|
hirsute |
Not vulnerable
(4.3)
|
|
impish |
Not vulnerable
(7:4.4-6ubuntu5)
|
|
lunar |
Not vulnerable
(7:4.4.1-3ubuntu2)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.2.2)
|
|
xenial |
Released
(7:2.8.17-0ubuntu0.1+esm1)
Available with Ubuntu Pro |
|
mantic |
Not vulnerable
(7:4.4.1-3ubuntu2)
|
|
bionic |
Not vulnerable
(7:3.4.11-0ubuntu0.1+esm2)
|
|
Patches: upstream: http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=5f0acc5064ed501cb40d4aaccae2b3ce5c4552fd upstream: http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=2c78a76cb0443f8a12a5eadc3b58373aa2f4ab22 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 6.5 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | None |
Availability impact | None |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |