What’s Vulnerable › Vulnerabilities

CVE-2019-8607

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-12-18 · updated 2026-06-17
• Weakness: CWE-125

Description

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 12.3, macOS Mojave 10.14.5, tvOS 12.3, watchOS 5.2.1, Safari 12.1.1, iTunes for Windows 12.9.5, iCloud for Windows 7.12. Processing maliciously crafted web content may result in the disclosure of process memory.

Affected products

• Apple iCloud for Windows: before 7.12; from 10.0 before 10.4 — fixed in 10.4, 7.12
• Apple Iphone Os: before 12.3 — fixed in 12.3
• Apple iTunes for Windows: before 12.9.5 — fixed in 12.9.5
• macOS: before 10.14.5 — fixed in 10.14.5
• Apple Safari: before 12.1.1 — fixed in 12.1.1
• Apple tvOS: before 12.3 — fixed in 12.3
• Apple watchOS: before 5.2.1 — fixed in 5.2.1

How to fix

Upgrade to a fixed version: Apple iCloud for Windows 10.4, 7.12; Apple Iphone Os 12.3; Apple iTunes for Windows 12.9.5; macOS 10.14.5; Apple Safari 12.1.1; Apple tvOS 12.3; Apple watchOS 5.2.1. Check the vendor advisory for mitigations.

References

• https://support.apple.com/HT210118
• https://support.apple.com/HT210119
• https://support.apple.com/HT210120
• https://support.apple.com/HT210122
• https://support.apple.com/HT210123
• https://support.apple.com/HT210124
• https://support.apple.com/HT210125
• https://support.apple.com/HT210212
• https://support.apple.com/HT210118
• https://support.apple.com/HT210119
• https://support.apple.com/HT210120
• https://support.apple.com/HT210122

Get alerted when CVE-2019-8607 or the next vulnerability affects your stack