CVE-2020-20445
Published: 25 May 2021
FFmpeg 4.2 is affected by a Divide By Zero issue via libavcodec/lpc.h, which allows a remote malicious user to 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 |
Ignored
(end of life)
|
|
| hirsute |
Ignored
(end of life, was needed)
|
|
| impish |
Released
(7:4.4.2-0ubuntu0.21.10.1)
|
|
| jammy |
Not vulnerable
(7:4.4.1-3ubuntu2)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(4.4.1)
|
|
| xenial |
Released
(7:2.8.17-0ubuntu0.1+esm1)
Available with Ubuntu Pro |
|
|
Patches: upstream: https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/38d18fb57863bb9c54e68ae44aa780c5c282a184 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 6.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |