A use after free issue was addressed with improved memory management. This issue affected versions prior to iOS 12, tvOS 12, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7.Referenceshttps://support.apple.com/kb/HT209141https://support.apple.com/kb/HT209140https://support.apple.com/kb/HT209107https://support.apple.com/kb/HT209106https://support.apple.com/kb/HT209109
