CVE-2020-22020
Published: 26 May 2021
Buffer Overflow vulnerability in FFmpeg 4.2 in the build_diff_map function in libavfilter/vf_fieldmatch.c, which could let a remote malicious user cause a Denial of Service.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
ffmpeg Launchpad, Ubuntu, Debian |
bionic |
Released
(7:3.4.11-0ubuntu0.1)
|
| focal |
Released
(7:4.2.7-0ubuntu0.1)
|
|
| groovy |
Not vulnerable
(7:4.3.1-4ubuntu1)
|
|
| hirsute |
Not vulnerable
|
|
| impish |
Not vulnerable
(7:4.4-6ubuntu5)
|
|
| jammy |
Not vulnerable
(7:4.4.1-3ubuntu2)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(4.3)
|
|
| xenial |
Released
(7:2.8.17-0ubuntu0.1+esm2)
Available with Ubuntu Pro |
|
|
Patches: upstream: https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=ce5274c1385d55892a692998923802023526b765 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 6.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |