What is CVE-2019-1000016?

CVE-2019-1000016 is a medium-severity vulnerability in Ffmpeg, classified under Improper Validation of Array Index. CVSS score: 6.5/10. Published 2019-02-04.

How severe is CVE-2019-1000016?

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

Vulnerability in Ffmpeg

CVE-2019-1000016

FFMPEG version 4.1 contains a CWE-129: Improper Validation of Array Index vulnerability in libavcodec/cbs_av1.c that can result in Denial of service. This attack appears to be exploitable via specially crafted AV1 file has to be provided as input. This vulnerability appears to have been fixed in after commit b97a4b658814b2de8b9f2a3bce491c002d34de31.

Published 2019-02-04 · 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: 0.011 (64.7th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Ffmpeg — versions 4.1

Weakness classification (CWE)

CWE-129 — Improper Validation of Array Index

References

github.com/FFmpeg/FFmpeg/commit/b97a4b658814b2de8b9f2a3bce491c002d34de31 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2019-1000016?: CVE-2019-1000016 is a medium-severity vulnerability in Ffmpeg, classified under Improper Validation of Array Index. CVSS score: 6.5/10. Published 2019-02-04.
How severe is CVE-2019-1000016?: Medium severity. CVSS v3 base score is 6.5 out of 10.