CVE-2020-12284
CRITICALFFmpeg 4.1 and 4.2.2 - Heap-Based Buffer Overflow in cbs_jpeg_split_fragment
Title source: llmDescription
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.
References (6)
Core 6
Core References
Patch, Third Party Advisory x_refsource_misc
https://github.com/FFmpeg/FFmpeg/commit/1812352d767ccf5431aa440123e2e260a4db2726
Exploit, Issue Tracking, Vendor Advisory x_refsource_misc
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19734
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2020/dsa-4722
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4431-1/
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/202007-58
Patch, Third Party Advisory x_refsource_misc
https://github.com/FFmpeg/FFmpeg/commit/a3a3730b5456ca00587455004d40c047f7b20a99
Scores
CVSS v3
9.8
EPSS
0.0368
EPSS Percentile
88.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-787
Status
published
Products (6)
canonical/ubuntu_linux
16.04
canonical/ubuntu_linux
18.04
canonical/ubuntu_linux
20.04
debian/debian_linux
10.0
ffmpeg/ffmpeg
4.1
ffmpeg/ffmpeg
4.2.2
Published
Apr 28, 2020
Tracked Since
Feb 18, 2026