About the security content of iOS 13.4 and iPadOS 13.4 - Apple Support

About Apple security updates For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security updates page. Apple security documents reference...

CVE-2020-9848

An authorization issue was addressed with improved state management. This issue is fixed in iOS 13.5 and iPadOS 13.5. A person with physical access to an iOS device may be able to view notification contents from the lockscreen...

CVE-2020-9852

An integer overflow was addressed through improved input validation. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5, tvOS 13.4.5, watchOS 6.2.5. A malicious application may be able to execute arbitrary code with kernel privileges...

CVE-2020-9850

A logic issue was addressed with improved restrictions. This issue is fixed in iOS 13.5 and iPadOS 13.5, tvOS 13.4.5, watchOS 6.2.5, Safari 13.1.1, iTunes 12.10.7 for Windows, iCloud for Windows 11.2, iCloud for Windows 7.19. A remote attacker may be able to cause arbitrary code execution...

CVE-2020-9839

A race condition was addressed with improved state handling. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5, tvOS 13.4.5, watchOS 6.2.5. An application may be able to gain elevated privileges...

CVE-2020-9843

An input validation issue was addressed with improved input validation. This issue is fixed in iOS 13.5 and iPadOS 13.5, tvOS 13.4.5, watchOS 6.2.5, Safari 13.1.1, iTunes 12.10.7 for Windows, iCloud for Windows 11.2, iCloud for Windows 7.19. Processing maliciously crafted web content may lead to ...

CVE-2020-9830

A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5. An application may be able to execute arbitrary code with kernel privileges...

CVE-2020-9838

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 13.5 and iPadOS 13.5. A remote attacker may be able to cause arbitrary code execution...

CVE-2020-9830

A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5. An application may be able to execute arbitrary code with kernel privileges...

CVE-2020-9835

An issue existed in the pausing of FaceTime video. The issue was resolved with improved logic. This issue is fixed in iOS 13.5 and iPadOS 13.5. A user’s video may not be paused in a FaceTime call if they exit the FaceTime app while the call is ringing...

CVE-2020-9843

An input validation issue was addressed with improved input validation. This issue is fixed in iOS 13.5 and iPadOS 13.5, tvOS 13.4.5, watchOS 6.2.5, Safari 13.1.1, iTunes 12.10.7 for Windows, iCloud for Windows 11.2, iCloud for Windows 7.19. Processing maliciously crafted web content may lead to ...

CVE-2020-9829

A validation issue was addressed with improved input sanitization. This issue is fixed in iOS 13.5 and iPadOS 13.5, tvOS 13.4.5, watchOS 6.2.5. Processing a maliciously crafted text message may lead to application denial of service...

CVE-2020-9842

An entitlement parsing issue was addressed with improved parsing. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5, tvOS 13.4.5, watchOS 6.2.5. A malicious application could interact with system processes to access private information and perform privileged actions...

CVE-2020-9820

A logic issue was addressed with improved restrictions. This issue is fixed in iOS 13.5 and iPadOS 13.5. A remote attacker may be able to modify the file system...

CVE-2020-9821

A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5, tvOS 13.4.5, watchOS 6.2.5. A malicious application may be able to execute arbitrary code with kernel privileges...

CVE-2020-9825

An access issue was addressed with additional sandbox restrictions. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5. A malicious application may be able to bypass Privacy preferences...

CVE-2020-9823

This issue was addressed with improved checks. This issue is fixed in iOS 13.5 and iPadOS 13.5. Users removed from an iMessage conversation may still be able to alter state...

CVE-2020-9815

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5, tvOS 13.4.5, watchOS 6.2.5. Processing a maliciously crafted audio file may lead to arbitrary code execution...

CVE-2020-9820

A logic issue was addressed with improved restrictions. This issue is fixed in iOS 13.5 and iPadOS 13.5. A remote attacker may be able to modify the file system...

CVE-2020-9826

A denial of service issue was addressed with improved input validation. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5. A remote attacker may be able to cause a denial of service...