CVE-2023-40385: Apple iPadOS

Medium severity, CVSS 6.5. EPSS: 0.8% chance of exploitation in the next 30 days.

This issue was addressed by removing the vulnerable code. This issue is fixed in macOS Sonoma 14, Safari 17, iOS 17 and iPadOS 17. A remote attacker may be able to view leaked DNS queries with Private Relay turned on.

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 Safari: before 17.0 (fixed in 17.0)

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