CVE-2019-8609: Apple iCloud

High severity, CVSS 8.8. EPSS: 2% chance of exploitation in the next 30 days.

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.3, macOS Mojave 10.14.5, tvOS 12.3, Safari 12.1.1, iTunes for Windows 12.9.5, iCloud for Windows 7.12. Processing maliciously crafted web content may lead to arbitrary code execution.

Affected products

• Apple iCloud: before 7.12 (fixed in 7.12)
• Apple iPhone OS: before 12.3 (fixed in 12.3)
• Apple iTunes: before 12.9.5 (fixed in 12.9.5)
• Apple Mac OS X: 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)

Published 2019-12-18. Last modified 2026-06-17.