CVE-2020-12284

CRITICAL

Ffmpeg - Out-of-Bounds Write

Title source: rule

Description

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)

Scores

CVSS v3 9.8
EPSS 0.0644
EPSS Percentile 91.1%
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