CVE-2020-21697

EUVD-2020-14465
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 46%
Affected Products (NVD)
VendorProductVersion
ffmpegffmpeg
4.2
debiandebian_linux
11.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
ffmpeg
bookworm
7:5.1.6-0+deb12u1
fixed
bookworm (security)
7:5.1.6-0+deb12u1
fixed
bullseye
7:4.3.7-0+deb11u1
fixed
bullseye (security)
7:4.3.8-0+deb11u1
fixed
sid
7:7.1-3
fixed
stretch
postponed
trixie
7:7.1-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
ffmpeg
bionic
Fixed 7:3.4.11-0ubuntu0.1
released
focal
Fixed 7:4.2.7-0ubuntu0.1
released
hirsute
ignored
impish
not-affected
jammy
not-affected
kinetic
not-affected
lunar
not-affected
mantic
not-affected
noble
not-affected
trusty
dne
xenial
Fixed 7:2.8.17-0ubuntu0.1+esm2
released
qtwebengine-opensource-src
bionic
needs-triage
focal
needs-triage
hirsute
ignored
impish
ignored
jammy
needs-triage
kinetic
ignored
lunar
ignored
mantic
ignored
noble
needs-triage
trusty
dne
xenial
ignored
vice
bionic
needs-triage
focal
needs-triage
hirsute
ignored
impish
ignored
jammy
needs-triage
kinetic
ignored
lunar
ignored
mantic
ignored
noble
needs-triage
trusty
dne
xenial
needs-triage
Common Weakness Enumeration
References
https://trac.ffmpeg.org/ticket/8188
https://www.debian.org/security/2021/dsa-4998
https://trac.ffmpeg.org/ticket/8188
https://www.debian.org/security/2021/dsa-4998