What is CVE-2018-6912?

CVE-2018-6912 is a medium-severity vulnerability in Ffmpeg, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2018-02-12.

How severe is CVE-2018-6912?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Out-of-bounds Read in Ffmpeg

CVE-2018-6912

The decode_plane function in libavcodec/utvideodec.c in FFmpeg through 3.4.2 allows remote attackers to cause a denial of service (out of array read) via a crafted AVI file.

Vulnerability class: Buffer Overflow

Published 2018-02-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.015 (72.9th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 72.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Ffmpeg

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

git.ffmpeg.org/gitweb/ffmpeg.git/commit/76cc0f0f673353cd4746cd3b83838ae335e5d9ed (Vendor Advisory)
security.gentoo.org/glsa/202003-65 (vendor-advisory)

Frequently asked questions

What is CVE-2018-6912?: CVE-2018-6912 is a medium-severity vulnerability in Ffmpeg, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2018-02-12.
How severe is CVE-2018-6912?: Medium severity. CVSS v3 base score is 6.5 out of 10.