CVE-2020-21041
Published: 24 May 2021
Buffer Overflow vulnerability exists in FFmpeg 4.1 via apng_do_inverse_blend in libavcodec/pngenc.c, which could let a remote malicious user cause a Denial of Service
Priority
Status
Package | Release | Status |
---|---|---|
ffmpeg Launchpad, Ubuntu, Debian |
impish |
Released
(7:4.4-6ubuntu5)
|
trusty |
Does not exist
|
|
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)
|
|
jammy |
Not vulnerable
|
|
upstream |
Released
(4.4)
|
|
xenial |
Released
(7:2.8.17-0ubuntu0.1+esm1)
Available with Ubuntu Pro |
|
Patches: upstream: https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=5d9f44da460f781a1604d537d0555b78e29438ba |
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 |