CVE-2018-4254

CriticalCVSS 9.8/10Last modified Jun 17, 2026

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

CVSS 3.0 9.8/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-20

Affected software

No affected versions have been published.

Timeline

Published
Jan 11, 2019
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2018

CVE-2018-42555.5In macOS High Sierra before 10.13.5, an out-of-bounds read was addressed with improved input validation.CVE-2018-42565.5In macOS High Sierra before 10.13.5, an out-of-bounds read was addressed with improved input validation.CVE-2018-42579.8In macOS High Sierra before 10.13.5, a buffer overflow was addressed with improved size validation.CVE-2018-42589.8In macOS High Sierra before 10.13.5, a buffer overflow was addressed with improved bounds checking.CVE-2018-42599.8Multiple memory corruption issues were addressed with improved memory handling. This issue affected versions prior to macOS High Sierra 10.1CVE-2018-42606.5An inconsistent user interface issue was addressed with improved state management. This issue affected versions prior to iOS 11.4.1, Safari CVE-2018-42618.8Multiple memory corruption issues were addressed with improved memory handling. This issue affected versions prior to iOS 11.4.1, tvOS 11.4.CVE-2018-42628.8In Safari before 11.1.2, iTunes before 12.8 for Windows, iOS before 11.4.1, tvOS before 11.4.1, iCloud for Windows before 7.6, multiple memoCVE-2018-42638.8Multiple memory corruption issues were addressed with improved memory handling. This issue affected versions prior to iOS 11.4.1, tvOS 11.4.CVE-2018-42648.8Multiple memory corruption issues were addressed with improved memory handling. This issue affected versions prior to iOS 11.4.1, tvOS 11.4.CVE-2018-42658.8Multiple memory corruption issues were addressed with improved memory handling. This issue affected versions prior to iOS 11.4.1, tvOS 11.4.CVE-2018-42665.9A race condition was addressed with additional validation. This issue affected versions prior toiVersions prior to: OS 11.4.1, tvOS 11.4.1,
CVE-2018-4254: Critical severity, CVSS 9.8 | Vulnix