Use After Free in Mkvtoolnix Mkvinfo

CVE-2018-4022

A use-after-free vulnerability exists in the way MKVToolNix MKVINFO v25.0.0 handles the MKV (matroska) file format. A specially crafted MKV file can cause arbitrary code execution in the context of the current user.

Vulnerability class: Use-After-Free

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.015 (73.7th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 73.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2018-4022: held from 0.015 to 0.015.

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

Affected products

  • Mkvtoolnix Mkvinfo — versions 25.0.0
  • Mkvtoolnix — versions MKVToolNix mkvinfo v25.0.0 ('Prog Noir') 64-bit

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-4022?
CVE-2018-4022 is a high-severity vulnerability in Mkvtoolnix Mkvinfo, classified under Use After Free. CVSS score: 7.8/10. Published 2018-10-26.
How severe is CVE-2018-4022?
High severity. CVSS v3 base score is 7.8 out of 10.