CVE-2020-12284
9.8
CRITICAL
CVSS 3.1
EPSS 22.0%
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.
How to fix CVE-2020-12284
To remediate CVE-2020-12284, upgrade the affected package to a fixed version below.
- Debian/ffmpeg—upgrade to 7:4.2.3-1 or later
Is CVE-2020-12284 being exploited?
Moderate — EPSS is 22.0%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (1)
- from 0, < 7:4.2.3-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |