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By the Year

In 2021 there have been 244 vulnerabilities in Apple iOS with an average score of 7.0 out of ten. Last year iOS had 234 security vulnerabilities published. That is, 10 more vulnerabilities have already been reported in 2021 as compared to last year. Last year, the average CVE base score was greater by 0.09

Year Vulnerabilities Average Score
2021 244 7.04
2020 234 7.12
2019 346 7.51
2018 98 7.37

It may take a day or so for new iOS vulnerabilities to show up in the stats or in the list of recent security vulnerabilties. Additionally vulnerabilities may be tagged under a different product or component name.

Recent Apple iOS Security Vulnerabilities

A memory corruption issue was addressed with improved memory handling

CVE-2021-30807 7.8 - High - October 19, 2021

A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.5.1, iOS 14.7.1 and iPadOS 14.7.1, watchOS 7.6.1. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited.

A logic issue was addressed with improved state management

CVE-2021-30826 7.5 - High - October 19, 2021

A logic issue was addressed with improved state management. This issue is fixed in iOS 15 and iPadOS 15. In certain situations, the baseband would fail to enable integrity and ciphering protection.

This issue was addressed with improved checks

CVE-2021-30825 7.8 - High - October 19, 2021

This issue was addressed with improved checks. This issue is fixed in iOS 15 and iPadOS 15. A local attacker may be able to cause unexpected application termination or arbitrary code execution.

A logic issue was addressed with improved state management

CVE-2021-30820 9.8 - Critical - October 19, 2021

A logic issue was addressed with improved state management. This issue is fixed in iOS 14.8 and iPadOS 14.8. A remote attacker may be able to cause arbitrary code execution.

An out-of-bounds read was addressed with improved input validation

CVE-2021-30819 5.5 - Medium - October 19, 2021

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 15 and iPadOS 15. Processing a maliciously crafted USD file may disclose memory contents.

Out-of-bounds Read

This issue was addressed with improved checks

CVE-2021-30811 5.5 - Medium - October 19, 2021

This issue was addressed with improved checks. This issue is fixed in iOS 15 and iPadOS 15, watchOS 8. A local attacker may be able to read sensitive information.

A memory corruption issue was addressed with improved memory handling

CVE-2021-30838 7.8 - High - October 19, 2021

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 15 and iPadOS 15. A malicious application may be able to execute arbitrary code with system privileges on devices with an Apple Neural Engine.

A memory consumption issue was addressed with improved memory handling

CVE-2021-30837 7.8 - High - October 19, 2021

A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 15 and iPadOS 15, watchOS 8, tvOS 15. An application may be able to execute arbitrary code with kernel privileges.

A lock screen issue allowed access to contacts on a locked device

CVE-2021-30815 2.4 - Low - October 19, 2021

A lock screen issue allowed access to contacts on a locked device. This issue was addressed with improved state management. This issue is fixed in iOS 15 and iPadOS 15. A local attacker may be able to view contacts from the lock screen.

Exposure of Resource to Wrong Sphere

An authorization issue was addressed with improved state management

CVE-2021-30810 4.3 - Medium - October 19, 2021

An authorization issue was addressed with improved state management. This issue is fixed in iOS 15 and iPadOS 15, watchOS 8, tvOS 15. An attacker in physical proximity may be able to force a user onto a malicious Wi-Fi network during device setup.

AuthZ

A memory corruption issue was addressed with improved memory handling

CVE-2021-30846 7.8 - High - October 19, 2021

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, Safari 15, tvOS 15, iOS 15 and iPadOS 15, watchOS 8. Processing maliciously crafted web content may lead to arbitrary code execution.

Memory Corruption

This issue was addressed with improved checks

CVE-2021-1833 7.8 - High - September 08, 2021

This issue was addressed with improved checks. This issue is fixed in iOS 14.5 and iPadOS 14.5. An application may be able to gain elevated privileges.

Copied files may not have the expected file permissions

CVE-2021-1832 5.5 - Medium - September 08, 2021

Copied files may not have the expected file permissions. This issue is fixed in Security Update 2021-002 Catalina, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. The issue was addressed with improved permissions logic.

Incorrect Default Permissions

The issue was addressed with improved permissions logic

CVE-2021-1831 5.5 - Medium - September 08, 2021

The issue was addressed with improved permissions logic. This issue is fixed in iOS 14.5 and iPadOS 14.5. An application may allow shortcuts to access restricted files.

Incorrect Default Permissions

An out-of-bounds read was addressed with improved input validation

CVE-2021-1830 5.5 - Medium - September 08, 2021

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.5 and iPadOS 14.5. A local user may be able to read kernel memory.

Out-of-bounds Read

The issue was addressed with improved UI handling

CVE-2021-1848 5.5 - Medium - September 08, 2021

The issue was addressed with improved UI handling. This issue is fixed in iOS 14.5 and iPadOS 14.5. A local user may be able to view sensitive information in the app switcher.

This issue was addressed with improved checks

CVE-2021-1838 7.8 - High - September 08, 2021

This issue was addressed with improved checks. This issue is fixed in iOS 14.4 and iPadOS 14.4. Processing a maliciously crafted image may lead to arbitrary code execution.

A certificate validation issue was addressed

CVE-2021-1837 5.3 - Medium - September 08, 2021

A certificate validation issue was addressed. This issue is fixed in iOS 14.5 and iPadOS 14.5. An attacker in a privileged network position may be able to alter network traffic.

Improper Certificate Validation

This issue was addressed with improved checks

CVE-2021-1835 4.6 - Medium - September 08, 2021

This issue was addressed with improved checks. This issue is fixed in iOS 14.5 and iPadOS 14.5. A person with physical access to an iOS device may be able to access notes from the lock screen.

AuthZ

A parsing issue in the handling of directory paths was addressed with improved path validation

CVE-2021-1740 5.5 - Medium - September 08, 2021

A parsing issue in the handling of directory paths was addressed with improved path validation. This issue is fixed in Security Update 2021-002 Catalina, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. A local user may be able to modify protected parts of the file system.

Directory traversal

A parsing issue in the handling of directory paths was addressed with improved path validation

CVE-2021-1739 5.5 - Medium - September 08, 2021

A parsing issue in the handling of directory paths was addressed with improved path validation. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. A local user may be able to modify protected parts of the file system.

Directory traversal

A validation issue was addressed with improved input sanitization

CVE-2021-1807 5.5 - Medium - September 08, 2021

A validation issue was addressed with improved input sanitization. This issue is fixed in iOS 14.5 and iPadOS 14.5, watchOS 7.4. A local user may be able to write arbitrary files.

Exposure of Resource to Wrong Sphere

An out-of-bounds write was addressed with improved input validation

CVE-2021-1762 7.8 - High - September 08, 2021

An out-of-bounds write was addressed with improved input validation. This issue is fixed in iOS 14.4 and iPadOS 14.4, macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave. Processing a maliciously crafted USD file may lead to unexpected application termination or arbitrary code execution.

Memory Corruption

A logic issue was addressed with improved restrictions

CVE-2021-1826 6.1 - Medium - September 08, 2021

A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing maliciously crafted web content may lead to universal cross site scripting.

XSS

An input validation issue was addressed with improved input validation

CVE-2021-1825 6.1 - Medium - September 08, 2021

An input validation issue was addressed with improved input validation. This issue is fixed in iTunes 12.11.3 for Windows, iCloud for Windows 12.3, macOS Big Sur 11.3, Safari 14.1, watchOS 7.4, tvOS 14.5, iOS 14.5 and iPadOS 14.5. Processing maliciously crafted web content may lead to a cross site scripting attack.

XSS

A logic issue was addressed with improved restrictions

CVE-2021-1822 5.5 - Medium - September 08, 2021

A logic issue was addressed with improved restrictions. This issue is fixed in iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. A local user may be able to modify protected parts of the file system.

Exposure of Resource to Wrong Sphere

A buffer overflow may result in arbitrary code execution

CVE-2021-1770 9.8 - Critical - September 08, 2021

A buffer overflow may result in arbitrary code execution. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. A logic issue was addressed with improved state management.

Buffer Overflow

A logic issue was addressed with improved state management

CVE-2021-30715 7.5 - High - September 08, 2021

A logic issue was addressed with improved state management. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Security Update 2021-003 Catalina, macOS Big Sur 11.4, watchOS 7.5. Processing a maliciously crafted message may lead to a denial of service.

A race condition was addressed with improved state handling

CVE-2021-30714 6.3 - Medium - September 08, 2021

A race condition was addressed with improved state handling. This issue is fixed in iOS 14.6 and iPadOS 14.6. An application may be able to cause unexpected system termination or write kernel memory.

Race Condition

An out-of-bounds read was addressed with improved input validation

CVE-2021-1852 5.5 - Medium - September 08, 2021

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.5 and iPadOS 14.5. A local user may be able to read kernel memory.

Out-of-bounds Read

This issue was addressed with improved checks

CVE-2021-1843 7.8 - High - September 08, 2021

This issue was addressed with improved checks. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. Processing a maliciously crafted image may lead to arbitrary code execution.

A memory initialization issue was addressed with improved memory handling

CVE-2021-1820 6.5 - Medium - September 08, 2021

A memory initialization issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing maliciously crafted web content may result in the disclosure of process memory.

Exposure of Resource to Wrong Sphere

A memory corruption issue was addressed with improved state management

CVE-2021-1817 8.8 - High - September 08, 2021

A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing maliciously crafted web content may lead to arbitrary code execution.

Memory Corruption

A parsing issue in the handling of directory paths was addressed with improved path validation

CVE-2021-1815 5.5 - Medium - September 08, 2021

A parsing issue in the handling of directory paths was addressed with improved path validation. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. A local user may be able to modify protected parts of the file system.

Directory traversal

A logic issue was addressed with improved state management

CVE-2021-1811 6.5 - Medium - September 08, 2021

A logic issue was addressed with improved state management. This issue is fixed in iTunes 12.11.3 for Windows, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iCloud for Windows 12.3, macOS Big Sur 11.3, watchOS 7.4, tvOS 14.5, iOS 14.5 and iPadOS 14.5. Processing a maliciously crafted font may result in the disclosure of process memory.

A memory corruption issue was addressed with improved validation

CVE-2021-1809 7.5 - High - September 08, 2021

A memory corruption issue was addressed with improved validation. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. A malicious application may be able to read restricted memory.

Out-of-bounds Read

A memory corruption issue was addressed with improved validation

CVE-2021-1808 7.5 - High - September 08, 2021

A memory corruption issue was addressed with improved validation. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. An application may be able to read restricted memory.

Out-of-bounds Read

A memory corruption issue was addressed with improved state management

CVE-2021-30710 7.1 - High - September 08, 2021

A memory corruption issue was addressed with improved state management. This issue is fixed in tvOS 14.6, Security Update 2021-004 Mojave, iOS 14.6 and iPadOS 14.6, Security Update 2021-003 Catalina, macOS Big Sur 11.4, watchOS 7.5. A malicious application may cause a denial of service or potentially disclose memory contents.

Memory Corruption

This issue was addressed with improved checks

CVE-2021-30709 5.5 - Medium - September 08, 2021

This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave, iOS 14.6 and iPadOS 14.6. Processing a maliciously crafted USD file may disclose memory contents.

Exposure of Resource to Wrong Sphere

An out-of-bounds read was addressed with improved input validation

CVE-2021-30708 7.8 - High - September 08, 2021

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave, iOS 14.6 and iPadOS 14.6. Processing a maliciously crafted USD file may lead to unexpected application termination or arbitrary code execution.

Out-of-bounds Read

This issue was addressed with improved checks

CVE-2021-30707 8.8 - High - September 08, 2021

This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.4, tvOS 14.6, watchOS 7.5, iOS 14.6 and iPadOS 14.6. Processing a maliciously crafted audio file may lead to arbitrary code execution.

Classic Buffer Overflow

This issue was addressed with improved environment sanitization

CVE-2021-30677 8.8 - High - September 08, 2021

This issue was addressed with improved environment sanitization. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave, macOS Big Sur 11.4, watchOS 7.5. A malicious application may be able to break out of its sandbox.

This issue was addressed with improved checks

CVE-2021-30674 5.5 - Medium - September 08, 2021

This issue was addressed with improved checks. This issue is fixed in iOS 14.6 and iPadOS 14.6. A malicious application may disclose restricted memory.

A logic issue was addressed with improved validation

CVE-2021-30667 5.4 - Medium - September 08, 2021

A logic issue was addressed with improved validation. This issue is fixed in iOS 14.6 and iPadOS 14.6. An attacker in WiFi range may be able to force a client to use a less secure authentication mechanism.

authentification

A buffer overflow issue was addressed with improved memory handling

CVE-2021-30666 8.8 - High - September 08, 2021

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 12.5.3. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..

Classic Buffer Overflow

A memory corruption issue was addressed with improved state management

CVE-2021-30665 8.8 - High - September 08, 2021

A memory corruption issue was addressed with improved state management. This issue is fixed in watchOS 7.4.1, iOS 14.5.1 and iPadOS 14.5.1, tvOS 14.6, iOS 12.5.3, macOS Big Sur 11.3.1. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..

Buffer Overflow

An issue obscuring passwords in screenshots was addressed with improved logic

CVE-2021-1865 5 - Medium - September 08, 2021

An issue obscuring passwords in screenshots was addressed with improved logic. This issue is fixed in iOS 14.5 and iPadOS 14.5. A user's password may be visible on screen.

Cleartext Storage of Sensitive Information

A use after free issue was addressed with improved memory management

CVE-2021-1864 9.8 - Critical - September 08, 2021

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. An attacker with JavaScript execution may be able to execute arbitrary code.

Dangling pointer

An issue existed with authenticating the action triggered by an NFC tag

CVE-2021-1863 2.4 - Low - September 08, 2021

An issue existed with authenticating the action triggered by an NFC tag. The issue was addressed with improved action authentication. This issue is fixed in iOS 14.5 and iPadOS 14.5. A person with physical access to an iOS device may be able to place phone calls to any phone number.

authentification

Description: A person with physical access may be able to access contacts

CVE-2021-1862 2.4 - Low - September 08, 2021

Description: A person with physical access may be able to access contacts. This issue is fixed in iOS 14.5 and iPadOS 14.5. Impact: An issue with Siri search access to information was addressed with improved logic.

authentification

Processing a maliciously crafted image may lead to arbitrary code execution

CVE-2021-1858 7.8 - High - September 08, 2021

Processing a maliciously crafted image may lead to arbitrary code execution. This issue is fixed in Security Update 2021-002 Catalina, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. An out-of-bounds write issue was addressed with improved bounds checking.

Memory Corruption

A memory initialization issue was addressed with improved memory handling

CVE-2021-1857 6.5 - Medium - September 08, 2021

A memory initialization issue was addressed with improved memory handling. This issue is fixed in iTunes 12.11.3 for Windows, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iCloud for Windows 12.3, macOS Big Sur 11.3, watchOS 7.4, tvOS 14.5, iOS 14.5 and iPadOS 14.5. Processing maliciously crafted web content may disclose sensitive user information.

Improper Initialization

A validation issue was addressed with improved logic

CVE-2021-1813 7.8 - High - September 08, 2021

A validation issue was addressed with improved logic. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. A malicious application may be able to gain root privileges.

Improper Privilege Management

An integer overflow was addressed with improved input validation

CVE-2021-30663 8.8 - High - September 08, 2021

An integer overflow was addressed with improved input validation. This issue is fixed in iOS 14.5.1 and iPadOS 14.5.1, tvOS 14.6, iOS 12.5.3, Safari 14.1.1, macOS Big Sur 11.3.1. Processing maliciously crafted web content may lead to arbitrary code execution.

Integer Overflow or Wraparound

A race condition was addressed with improved locking

CVE-2021-1884 5.9 - Medium - September 08, 2021

A race condition was addressed with improved locking. This issue is fixed in Security Update 2021-004 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, Security Update 2021-003 Catalina, tvOS 14.5, macOS Big Sur 11.3. A remote attacker may be able to cause a denial of service.

Race Condition

A double free issue was addressed with improved memory management

CVE-2021-1875 7.8 - High - September 08, 2021

A double free issue was addressed with improved memory management. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. Processing a maliciously crafted file may lead to heap corruption.

Double-free

Processing a maliciously crafted image may lead to disclosure of user information

CVE-2021-30706 5.5 - Medium - September 08, 2021

Processing a maliciously crafted image may lead to disclosure of user information. This issue is fixed in macOS Big Sur 11.4, tvOS 14.6, watchOS 7.5, iOS 14.6 and iPadOS 14.6. This issue was addressed with improved checks.

Out-of-bounds Read

An out-of-bounds read was addressed with improved bounds checking

CVE-2021-30695 5.5 - Medium - September 08, 2021

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave, iOS 14.6 and iPadOS 14.6. Processing a maliciously crafted USD file may disclose memory contents.

Out-of-bounds Read

An information disclosure issue was addressed with improved state management

CVE-2021-30692 5.5 - Medium - September 08, 2021

An information disclosure issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave, iOS 14.6 and iPadOS 14.6. Processing a maliciously crafted USD file may disclose memory contents.

A logic issue was addressed with improved state management

CVE-2021-30689 6.1 - Medium - September 08, 2021

A logic issue was addressed with improved state management. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Safari 14.1.1, macOS Big Sur 11.4, watchOS 7.5. Processing maliciously crafted web content may lead to universal cross site scripting.

XSS

An out-of-bounds read was addressed with improved bounds checking

CVE-2021-30686 5.5 - Medium - September 08, 2021

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Security Update 2021-003 Catalina, macOS Big Sur 11.4, watchOS 7.5. Processing a maliciously crafted audio file may disclose restricted memory.

Out-of-bounds Read

This issue was addressed with improved checks

CVE-2021-30685 5.5 - Medium - September 08, 2021

This issue was addressed with improved checks. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Security Update 2021-003 Catalina, macOS Big Sur 11.4, watchOS 7.5. Parsing a maliciously crafted audio file may lead to disclosure of user information.

A logic issue was addressed with improved restrictions

CVE-2021-30682 5.5 - Medium - September 08, 2021

A logic issue was addressed with improved restrictions. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Safari 14.1.1, macOS Big Sur 11.4, watchOS 7.5. A malicious application may be able to leak sensitive user information.

An out-of-bounds write issue was addressed with improved bounds checking

CVE-2021-30664 7.8 - High - September 08, 2021

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing a maliciously crafted file may lead to arbitrary code execution.

Memory Corruption

This issue was addressed with improved checks

CVE-2021-30662 7.3 - High - September 08, 2021

This issue was addressed with improved checks. This issue is fixed in iOS 14.5 and iPadOS 14.5. Processing a maliciously crafted file may lead to arbitrary code execution.

A use after free issue was addressed with improved memory management

CVE-2021-30661 8.8 - High - September 08, 2021

A use after free issue was addressed with improved memory management. This issue is fixed in Safari 14.1, iOS 12.5.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..

Dangling pointer

A validation issue was addressed with improved logic

CVE-2021-30659 6.5 - Medium - September 08, 2021

A validation issue was addressed with improved logic. This issue is fixed in iOS 14.5 and iPadOS 14.5, watchOS 7.4, macOS Big Sur 11.3. A malicious application may be able to leak sensitive user information.

This issue was addressed with improved checks

CVE-2021-30653 7.8 - High - September 08, 2021

This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing a maliciously crafted image may lead to arbitrary code execution.

Injection

A memory initialization issue was addressed with improved memory handling

CVE-2021-1860 6.5 - Medium - September 08, 2021

A memory initialization issue was addressed with improved memory handling. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. A malicious application may be able to disclose kernel memory.

Improper Initialization

A call termination issue with was addressed with improved logic

CVE-2021-1854 4.3 - Medium - September 08, 2021

A call termination issue with was addressed with improved logic. This issue is fixed in iOS 14.5 and iPadOS 14.5. A legacy cellular network can automatically answer an incoming call when an ongoing call ends or drops. .

AuthZ

Processing a maliciously crafted audio file may disclose restricted memory

CVE-2021-1846 5.5 - Medium - September 08, 2021

Processing a maliciously crafted audio file may disclose restricted memory. This issue is fixed in Security Update 2021-002 Catalina, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. An out-of-bounds read was addressed with improved input validation.

Out-of-bounds Read

This issue was addressed with improved checks

CVE-2021-30705 5.5 - Medium - September 08, 2021

This issue was addressed with improved checks. This issue is fixed in tvOS 14.6, Security Update 2021-004 Mojave, iOS 14.6 and iPadOS 14.6, Security Update 2021-003 Catalina, macOS Big Sur 11.4, watchOS 7.5. Processing a maliciously crafted ASTC file may disclose memory contents.

A logic issue was addressed with improved state management

CVE-2021-30704 7.8 - High - September 08, 2021

A logic issue was addressed with improved state management. This issue is fixed in tvOS 14.6, Security Update 2021-004 Mojave, iOS 14.6 and iPadOS 14.6, Security Update 2021-003 Catalina, macOS Big Sur 11.4, watchOS 7.5. An application may be able to execute arbitrary code with kernel privileges.

A double free issue was addressed with improved memory management

CVE-2021-30703 7.8 - High - September 08, 2021

A double free issue was addressed with improved memory management. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave, macOS Big Sur 11.4, watchOS 7.5. An application may be able to execute arbitrary code with kernel privileges.

Double-free

This issue was addressed with improved checks

CVE-2021-30701 7.8 - High - September 08, 2021

This issue was addressed with improved checks. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Security Update 2021-003 Catalina, macOS Big Sur 11.4, watchOS 7.5. Processing a maliciously crafted image may lead to arbitrary code execution.

This issue was addressed with improved checks

CVE-2021-30700 5.5 - Medium - September 08, 2021

This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.4, tvOS 14.6, watchOS 7.5, iOS 14.6 and iPadOS 14.6. Processing a maliciously crafted image may lead to disclosure of user information.

A window management issue was addressed with improved state management

CVE-2021-30699 4.6 - Medium - September 08, 2021

A window management issue was addressed with improved state management. This issue is fixed in iOS 14.6 and iPadOS 14.6. A user may be able to view restricted content from the lockscreen.

A null pointer dereference was addressed with improved input validation

CVE-2021-30698 7.5 - High - September 08, 2021

A null pointer dereference was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.4, Safari 14.1.1, iOS 14.6 and iPadOS 14.6. A remote attacker may be able to cause a denial of service.

NULL Pointer Dereference

A logic issue was addressed with improved state management

CVE-2021-30697 5.5 - Medium - September 08, 2021

A logic issue was addressed with improved state management. This issue is fixed in tvOS 14.6, Security Update 2021-004 Mojave, iOS 14.6 and iPadOS 14.6, Security Update 2021-003 Catalina, macOS Big Sur 11.4, watchOS 7.5. A local user may be able to leak sensitive user information.

An information disclosure issue was addressed with improved state management

CVE-2021-30694 5.5 - Medium - September 08, 2021

An information disclosure issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave, iOS 14.6 and iPadOS 14.6. Processing a maliciously crafted USD file may disclose memory contents.

A validation issue was addressed with improved logic

CVE-2021-30693 7.8 - High - September 08, 2021

A validation issue was addressed with improved logic. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave, iOS 14.6 and iPadOS 14.6. Processing a maliciously crafted image may lead to arbitrary code execution.

Improper Input Validation

An information disclosure issue was addressed with improved state management

CVE-2021-30691 5.5 - Medium - September 08, 2021

An information disclosure issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave, iOS 14.6 and iPadOS 14.6. Processing a maliciously crafted USD file may disclose memory contents.

An out-of-bounds read was addressed with improved bounds checking

CVE-2021-30687 5.5 - Medium - September 08, 2021

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in tvOS 14.6, Security Update 2021-004 Mojave, iOS 14.6 and iPadOS 14.6, Security Update 2021-003 Catalina, macOS Big Sur 11.4, watchOS 7.5. Processing a maliciously crafted image may lead to disclosure of user information.

Out-of-bounds Read

An out-of-bounds read was addressed with improved bounds checking

CVE-2021-1885 7.8 - High - September 08, 2021

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing a maliciously crafted image may lead to arbitrary code execution.

Out-of-bounds Read

An out-of-bounds read was addressed with improved input validation

CVE-2021-1881 7.8 - High - September 08, 2021

An out-of-bounds read was addressed with improved input validation. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. Processing a maliciously crafted font file may lead to arbitrary code execution.

Out-of-bounds Read

A validation issue existed in the handling of symlinks

CVE-2021-30681 7.8 - High - September 08, 2021

A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks. This issue is fixed in Security Update 2021-004 Mojave, iOS 14.6 and iPadOS 14.6, Security Update 2021-003 Catalina, macOS Big Sur 11.4, watchOS 7.5. A malicious application may be able to gain root privileges.

Improper Input Validation

An out-of-bounds read was addressed with improved bounds checking

CVE-2021-30660 7.5 - High - September 08, 2021

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. A malicious application may be able to disclose kernel memory.

Out-of-bounds Read

A race condition was addressed with additional validation

CVE-2021-30652 7 - High - September 08, 2021

A race condition was addressed with additional validation. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. A malicious application may be able to gain root privileges.

Race Condition

This issue was addressed with improved checks

CVE-2021-1883 5.5 - Medium - September 08, 2021

This issue was addressed with improved checks. This issue is fixed in Security Update 2021-004 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, Security Update 2021-003 Catalina, tvOS 14.5, macOS Big Sur 11.3. Processing maliciously crafted server messages may lead to heap corruption.

Improper Validation of Integrity Check Value

An out-of-bounds read was addressed with improved input validation

CVE-2021-1877 5.5 - Medium - September 08, 2021

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.5 and iPadOS 14.5. A local user may be able to read kernel memory.

Out-of-bounds Read

A logic issue was addressed with improved state management

CVE-2021-1868 7.8 - High - September 08, 2021

A logic issue was addressed with improved state management. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. A local attacker may be able to elevate their privileges.

Improper Privilege Management

An access issue was addressed with improved memory management

CVE-2021-30656 5.5 - Medium - September 08, 2021

An access issue was addressed with improved memory management. This issue is fixed in iOS 14.5 and iPadOS 14.5. A malicious application may be able to determine kernel memory layout.

Exposure of Resource to Wrong Sphere

A memory corruption issue was addressed with improved validation

CVE-2021-1882 9.8 - Critical - September 08, 2021

A memory corruption issue was addressed with improved validation. This issue is fixed in Security Update 2021-002 Catalina, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. An application may be able to gain elevated privileges.

Memory Corruption

A logic issue was addressed with improved state management

CVE-2021-1874 8.8 - High - September 08, 2021

A logic issue was addressed with improved state management. This issue is fixed in iOS 14.5 and iPadOS 14.5. An application may be able to execute arbitrary code with kernel privileges.

A logic issue was addressed with improved state management

CVE-2021-1872 4.3 - Medium - September 08, 2021

A logic issue was addressed with improved state management. This issue is fixed in iOS 14.5 and iPadOS 14.5, watchOS 7.4, macOS Big Sur 11.3. Muting a CallKit call while ringing may not result in mute being enabled.

An out-of-bounds read was addressed with improved input validation

CVE-2021-1867 8.8 - High - September 08, 2021

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.5 and iPadOS 14.5, macOS Big Sur 11.3. A malicious application may be able to execute arbitrary code with kernel privileges.

Out-of-bounds Read

A logic issue was addressed with improved state management

CVE-2021-1851 8.8 - High - September 08, 2021

A logic issue was addressed with improved state management. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. An application may be able to execute arbitrary code with kernel privileges.

Improper Privilege Management

An issue in code signature validation was addressed with improved checks

CVE-2021-1849 7.5 - High - September 08, 2021

An issue in code signature validation was addressed with improved checks. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. A malicious application may be able to bypass Privacy preferences.

Improper Verification of Cryptographic Signature

A buffer overflow was addressed with improved bounds checking

CVE-2021-1816 7.8 - High - September 08, 2021

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. A malicious application may be able to execute arbitrary code with kernel privileges.

Buffer Overflow

A logic issue was addressed with improved validation

CVE-2021-1812 7.8 - High - September 08, 2021

A logic issue was addressed with improved validation. This issue is fixed in iOS 14.5 and iPadOS 14.5. A malicious application may be able to execute arbitrary code with system privileges.

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The iOS Operating System used by iPhones.

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