What is CVE-2018-4254?

CVE-2018-4254 is a critical-severity vulnerability in Apple Mac OS X, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2019-01-11.

How severe is CVE-2018-4254?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Improper input validation in Apple Mac OS X

CVE-2018-4254

In macOS High Sierra before 10.13.5, an input validation issue existed in the kernel. This issue was addressed with improved input validation.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.013 (67.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Apple Mac_os_x
N/a — versions n/a

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

product-security@apple.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2018-4254?: CVE-2018-4254 is a critical-severity vulnerability in Apple Mac OS X, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2019-01-11.
How severe is CVE-2018-4254?: Critical severity. CVSS v3 base score is 9.8 out of 10.