CVE-2018-4400

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

A validation issue was addressed with improved logic. This issue affected versions prior to iOS 12.1, macOS Mojave 10.14.1, watchOS 5.1.

Metrics

CVSS 3.0 5.5/10CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-20

Affected software

VendorProductVersions
n/aiOS, macOS, watchOSVersions prior to: iOS 12.1, macOS Mojave 10.14.1, watchOS 5.1

References

Timeline

Published
Apr 3, 2019
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2018

CVE-2018-44017.8A memory corruption issue was addressed with improved memory handling. This issue affected versions prior to iOS 12, macOS Mojave 10.14, tvOCVE-2018-44027.8A memory corruption issue was addressed with improved memory handling. This issue affected versions prior to macOS Mojave 10.14.1.CVE-2018-44035.5This issue was addressed by removing additional entitlements. This issue affected versions prior to macOS Mojave 10.14.1.CVE-2018-44048.8In iOS before 11.4 and macOS High Sierra before 10.13.5, a memory corruption issue exists and was addressed with improved memory handling.CVE-2018-44066.5A denial of service issue was addressed with improved validation. This issue affected versions prior to macOS Mojave 10.14.CVE-2018-44078.8A memory corruption issue was addressed with improved validation. This issue affected versions prior to iOS 12, macOS Mojave 10.14, tvOS 12,CVE-2018-44087.8A memory corruption issue was addressed with improved input validation This issue affected versions prior to iOS 12, macOS Mojave 10.14, tvOCVE-2018-44096.5A resource exhaustion issue was addressed with improved input validation. This issue affected versions prior to iOS 12.1, tvOS 12.1, Safari CVE-2018-44107.8A memory corruption issue was addressed with improved input validation. This issue affected versions prior to macOS Mojave 10.14.1.CVE-2018-44117.8A memory corruption issue was addressed with improved input validation. This issue affected versions prior to macOS Mojave 10.14.CVE-2018-44127.8A memory corruption issue was addressed with improved input validation. This issue affected versions prior to iOS 12, macOS Mojave 10.14, tvCVE-2018-44135.5A memory initialization issue was addressed with improved memory handling. This issue affected versions prior to iOS 12.1, macOS Mojave 10.1
CVE-2018-4400: Medium severity, CVSS 5.5 | Vulnix