A double free issue was addressed with improved memory management. This issue is fixed in iOS 18.6 and iPadOS 18.6, iPadOS 17.7.9, macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura 13.7.7, tvOS 18.6, visionOS 2.6, watchOS 11.6. An app may be able to cause unexpected system termination.
https://support.apple.com/en-us/124155
https://support.apple.com/en-us/124154
https://support.apple.com/en-us/124153
https://support.apple.com/en-us/124151
https://support.apple.com/en-us/124150
https://support.apple.com/en-us/124149