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.

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

EPSS: 0.015 (72.0th percentile) — read the EPSS interpretation.

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.

Affected products

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

Weakness classification (CWE)

CWE-416 — Use After Free

References

talos-cna@cisco.com (Exploit, Third Party Advisory, x_refsource_MISC)

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.