A use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, iOS 15.7.6 and iPadOS 15.7.6, macOS Big Sur 11.7.7, macOS Monterey 12.6.6, iOS 16.5 and iPadOS 16.5. An app may be able to execute arbitrary code with kernel privileges.
Apple Security Advisory 2023-05-18-2 - iOS 15.7.6 and iPadOS 15.7.6 addresses buffer overflow, bypass, code execution, out of bounds read, and use-after-free vulnerabilities.