CVE-2018-4194

Severity: high (CVSS 8.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-01-11 · updated 2026-06-17
Weakness: CWE-125

Description

In iOS before 11.4, iCloud for Windows before 7.5, watchOS before 4.3.1, iTunes before 12.7.5 for Windows, and macOS High Sierra before 10.13.5, an out-of-bounds read was addressed with improved input validation.

Affected products

Apple iCloud for Windows: before 7.5 — fixed in 7.5
Apple Iphone Os: before 11.4 — fixed in 11.4
Apple iTunes for Windows: before 12.7.5 — fixed in 12.7.5
macOS: from 10.13.0 before 10.13.5 — fixed in 10.13.5
Apple watchOS: before 4.3.1 — fixed in 4.3.1

How to fix

Upgrade to a fixed version: Apple iCloud for Windows 7.5; Apple Iphone Os 11.4; Apple iTunes for Windows 12.7.5; macOS 10.13.5; Apple watchOS 4.3.1. Check the vendor advisory for mitigations.

References

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