What is CVE-2018-6392?

CVE-2018-6392 is a medium-severity vulnerability in Ffmpeg, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2018-01-29.

How severe is CVE-2018-6392?

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

Out-of-bounds Read in Ffmpeg

CVE-2018-6392

The filter_slice function in libavfilter/vf_transpose.c in FFmpeg through 3.4.1 allows remote attackers to cause a denial of service (out-of-array access) via a crafted MP4 file.

Vulnerability class: Buffer Overflow

Published 2018-01-29 · 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: 0.016 (75.2th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 75.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000

Affected products

Ffmpeg
Debian Linux — versions 9.0

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

git.ffmpeg.org/gitweb/ffmpeg.git/commit/c6939f65a116b1ffed345d29d8621ee4ffb32235 (Patch, Issue Tracking, Vendor Advisory)
git.ffmpeg.org/gitweb/ffmpeg.git/commit/3f621455d62e46745453568d915badd5b1e5bcd5 (Patch, Issue Tracking, Vendor Advisory)
www.securityfocus.com/bid/102848 (VDB Entry, Third Party Advisory, vdb-entry)
www.debian.org/security/2018/dsa-4249 (vendor-advisory, Third Party Advisory)
lists.debian.org/debian-lts-announce/2019/03/msg00041.html (mailing-list)

Frequently asked questions

What is CVE-2018-6392?: CVE-2018-6392 is a medium-severity vulnerability in Ffmpeg, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2018-01-29.
How severe is CVE-2018-6392?: Medium severity. CVSS v3 base score is 6.5 out of 10.