CVE-2023-40391: Apple iPadOS

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

The issue was addressed with improved memory handling. This issue is fixed in tvOS 17, iOS 17 and iPadOS 17, macOS Sonoma 14, Xcode 15. An app may be able to disclose kernel memory.

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 tvOS: before 17.0 (fixed in 17.0)
• Apple Xcode: before 15.0 (fixed in 15.0)

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