CVE-2020-21041

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
Classic Buffer Overflow
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 81%
VendorProductVersion
ffmpegffmpeg
4.1
debiandebian_linux
9.0
debiandebian_linux
10.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
ffmpeg
bullseye
7:4.3.7-0+deb11u1
fixed
stretch
postponed
bullseye (security)
7:4.3.8-0+deb11u1
fixed
bookworm
7:5.1.6-0+deb12u1
fixed
bookworm (security)
7:5.1.6-0+deb12u1
fixed
sid
7:7.1-3
fixed
trixie
7:7.1-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
ffmpeg
jammy
not-affected
impish
Fixed 7:4.4-6ubuntu5
released
hirsute
ignored
groovy
ignored
focal
Fixed 7:4.2.7-0ubuntu0.1
released
bionic
Fixed 7:3.4.11-0ubuntu0.1
released
xenial
Fixed 7:2.8.17-0ubuntu0.1+esm1
released
trusty
dne
Common Weakness Enumeration
References
https://lists.debian.org/debian-lts-announce/2021/08/msg00018.html
https://trac.ffmpeg.org/ticket/7989
https://www.debian.org/security/2021/dsa-4990
https://lists.debian.org/debian-lts-announce/2021/08/msg00018.html
https://trac.ffmpeg.org/ticket/7989
https://www.debian.org/security/2021/dsa-4990