CVE-2020-21697
Published: 10 August 2021
A heap-use-after-free in the mpeg_mux_write_packet function in libavformat/mpegenc.c of FFmpeg 4.2 allows to cause a denial of service (DOS) via a crafted avi file.
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)
|
|
| hirsute |
Ignored
(end of life)
|
|
| 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)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(4.4)
|
|
| xenial |
Released
(7:2.8.17-0ubuntu0.1+esm2)
Available with Ubuntu Pro |
|
|
Patches: upstream: http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=cfce16449cb815132f829d5a07beb138dfb2cba6 |
||
|
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 |
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 |
Needs triage
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Needs triage
|
|
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 |