CVE-2023-42866: Apple iPadOS

High severity, CVSS 8.8. EPSS: 0.8% chance of exploitation in the next 30 days.

The issue was addressed with improved memory handling. This issue is fixed in macOS Ventura 13.5, iOS 16.6 and iPadOS 16.6, tvOS 16.6, Safari 16.6, watchOS 9.6. Processing web content may lead to arbitrary code execution.

Affected products

• Apple iPadOS: before 16.6 (fixed in 16.6)
• Apple iPhone OS: before 16.6 (fixed in 16.6)
• Apple macOS: before 13.5 (fixed in 13.5)
• Apple Safari: before 16.6 (fixed in 16.6)
• Apple tvOS: before 16.6 (fixed in 16.6)
• Apple watchOS: before 9.6 (fixed in 9.6)

Published 2024-01-10. Last modified 2026-06-17.