CVE-2020-12284

EUVD-2020-4596
cbs_jpeg_split_fragment in libavcodec/cbs_jpeg.c in FFmpeg 4.1 and 4.2.2 has a heap-based buffer overflow during JPEG_MARKER_SOS handling because of a missing length check.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 90%
Affected Products (NVD)
VendorProductVersion
ffmpegffmpeg
4.1
ffmpegffmpeg
4.2.2
canonicalubuntu_linux
16.04
canonicalubuntu_linux
18.04
canonicalubuntu_linux
20.04
debiandebian_linux
10.0
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
not-affected
trixie
7:7.1-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
ffmpeg
bionic
not-affected
eoan
ignored
focal
Fixed 7:4.2.4-1ubuntu0.1
released
trusty
dne
xenial
not-affected
Common Weakness Enumeration
References
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19734
https://github.com/FFmpeg/FFmpeg/commit/1812352d767ccf5431aa440123e2e260a4db2726
https://github.com/FFmpeg/FFmpeg/commit/a3a3730b5456ca00587455004d40c047f7b20a99
https://security.gentoo.org/glsa/202007-58
https://usn.ubuntu.com/4431-1/
https://www.debian.org/security/2020/dsa-4722
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19734
https://github.com/FFmpeg/FFmpeg/commit/1812352d767ccf5431aa440123e2e260a4db2726
https://github.com/FFmpeg/FFmpeg/commit/a3a3730b5456ca00587455004d40c047f7b20a99
https://security.gentoo.org/glsa/202007-58
https://usn.ubuntu.com/4431-1/
https://www.debian.org/security/2020/dsa-4722