CVE-2023-39434: Apple iPadOS

High severity, CVSS 8.8. EPSS: 1.7% chance of exploitation in the next 30 days.

A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 17 and iPadOS 17, watchOS 10, macOS Sonoma 14. Processing web content may lead to arbitrary code execution.

Affected products

• Apple iPadOS: before 17.0 (fixed in 17.0)
• Apple iPhone OS: before 17.0 (fixed in 17.0)
• Apple macOS: before 14.0 (fixed in 14.0)
• Apple watchOS: before 10.0 (fixed in 10.0)

Published 2023-09-27. Last modified 2026-06-17.