CVE-2020-20450
Published: 25 May 2021
FFmpeg 4.2 is affected by null pointer dereference passed as argument to libavformat/aviobuf.c, which could cause a Denial of Service.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
ffmpeg Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(code not present)
|
| focal |
Released
(7:4.2.7-0ubuntu0.1)
|
|
| groovy |
Ignored
(end of life)
|
|
| hirsute |
Ignored
(end of life)
|
|
| impish |
Not vulnerable
(4.4)
|
|
| jammy |
Not vulnerable
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Not vulnerable
(code not present)
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References
- https://trac.ffmpeg.org/ticket/7993
- https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=5400e4a50c61e53e1bc50b3e77201649bbe9c510
- https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=3865b1952e5cf993b016d83ba78fe1deb63bbfad (4.3)
- https://ubuntu.com/security/notices/USN-5472-1
- https://www.cve.org/CVERecord?id=CVE-2020-20450
- NVD
- Launchpad
- Debian