What is CVE-2018-1999012?

CVE-2018-1999012 is a medium-severity vulnerability in Ffmpeg, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 6.5/10. Published 2018-07-23.

How severe is CVE-2018-1999012?

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

Vulnerability in Ffmpeg

CVE-2018-1999012

FFmpeg before commit 9807d3976be0e92e4ece3b4b1701be894cd7c2e1 contains a CWE-835: Infinite loop vulnerability in pva format demuxer that can result in a Vulnerability that allows attackers to consume excessive amount of resources like CPU and RAM. This attack appear to be exploitable via specially crafted PVA file has to be provided as input. This vulnerability appears to have been fixed in 9807d3976be0e92e4ece3b4b1701be894cd7c2e1 and later.

Published 2018-07-23 · 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: 0.021 (81.2th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.022 · newest: 0.021 · change: -0.000

Affected products

Ffmpeg

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

References

www.securityfocus.com/bid/104896 (VDB Entry, Third Party Advisory, vdb-entry)
github.com/FFmpeg/FFmpeg/commit/9807d3976be0e92e4ece3b4b1701be894cd7c2e1 (Patch, Third Party Advisory, Issue Tracking)
lists.debian.org/debian-lts-announce/2019/03/msg00041.html (mailing-list)

Frequently asked questions

What is CVE-2018-1999012?: CVE-2018-1999012 is a medium-severity vulnerability in Ffmpeg, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 6.5/10. Published 2018-07-23.
How severe is CVE-2018-1999012?: Medium severity. CVSS v3 base score is 6.5 out of 10.