What’s Vulnerable › Vulnerabilities

CVE-2018-4147

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% 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-119

Description

In iCloud for Windows before 7.3, Safari before 11.0.3, iTunes before 12.7.3 for Windows, and iOS before 11.2.5, multiple memory corruption issues exist and were addressed with improved memory handling.

Affected products

• Apple iCloud for Windows: before 7.3 — fixed in 7.3
• Apple Iphone Os: before 11.2.5 — fixed in 11.2.5
• Apple iTunes for Windows: before 12.7.3 — fixed in 12.7.3
• Apple Safari: before 11.0.3 — fixed in 11.0.3

How to fix

Upgrade to a fixed version: Apple iCloud for Windows 7.3; Apple Iphone Os 11.2.5; Apple iTunes for Windows 12.7.3; Apple Safari 11.0.3. Check the vendor advisory for mitigations.

References

• https://support.apple.com/HT208463
• https://support.apple.com/HT208465
• https://support.apple.com/HT208473
• https://support.apple.com/HT208474
• https://support.apple.com/HT208475
• https://support.apple.com/HT208463
• https://support.apple.com/HT208465
• https://support.apple.com/HT208473
• https://support.apple.com/HT208474
• https://support.apple.com/HT208475

Get alerted when CVE-2018-4147 or the next vulnerability affects your stack