CVE-2018-4254

Name: CVE-2018-4254
Creator: NVD / NIST
Published: 2019-01-11T18:29:02.53+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.29%

Last modified Jun 17, 2026

CVE-2018-4254 is a vulnerability of currently unknown severity. In macOS High Sierra before 10.13.5, an input validation issue existed in the kernel. This issue was addressed with improved input validation.. EPSS estimates a 1.29% chance of exploitation in the next 30 days.

Description

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

Metrics

EPSS Probability

1.29%

66.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Apple	Mac Os X	< 10.13.5

References

https://support.apple.com/HT208849Vendor Advisory
https://support.apple.com/HT208849Vendor Advisory

Timeline

Published: Jan 11, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is 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.

How severe is CVE-2018-4254?

Severity scoring for CVE-2018-4254 is pending analysis. The EPSS model estimates a 1.29% probability of exploitation in the next 30 days.

How do I fix CVE-2018-4254?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-4254?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST