CVE-2018-7557
6.5
MEDIUM
CVSS 3.1
EPSS 0.40%
Description
The decode_init function in libavcodec/utvideodec.c in FFmpeg 2.8 through 3.4.2 allows remote attackers to cause a denial of service (Out of array read) via an AVI file with crafted dimensions within chroma subsampling data.
How to fix CVE-2018-7557
To remediate CVE-2018-7557, upgrade the affected package to a fixed version below.
- Debian/ffmpeg—upgrade to 7:3.4.3-1 or later
Is CVE-2018-7557 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 7:3.4.3-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |