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Recent Apple Macos Security Advisories

Advisory Title Published
HT212869 macOS Monterey 12.0.1 Security Content October 25, 2021
HT212872 macOS Big Sur 11.6.1 Security Content October 25, 2021
HT212804 macOS Big Sur 11.6 Security Content September 13, 2021
HT212622 macOS Big Sur 11.5.1 Security Content July 26, 2021
HT212602 macOS Big Sur 11.5 Security Content July 21, 2021
HT212529 macOS Big Sur 11.4 Security Content May 24, 2021
HT212335 macOS Big Sur 11.3.1 Security Content May 3, 2021
HT212325 macOS Big Sur 11.3 Security Content April 26, 2021
HT212220 macOS Big Sur 11.2.3 Security Content March 8, 2021
HT212177 macOS Big Sur 11.2.1, macOS Catalina 10.15.7 Supplemental Update, and macOS Mojave 10.14.6 Security Update 2021-002 Security Content February 9, 2021

By the Year

In 2021 there have been 363 vulnerabilities in Apple Macos with an average score of 7.1 out of ten. Last year Macos had 32 security vulnerabilities published. That is, 331 more vulnerabilities have already been reported in 2021 as compared to last year. Last year, the average CVE base score was greater by 0.04

Year Vulnerabilities Average Score
2021 363 7.07
2020 32 7.11
2019 0 0.00
2018 0 0.00

It may take a day or so for new Macos 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 Macos Security Vulnerabilities

This issue was addressed with improved checks

CVE-2021-30808 5.5 - Medium - October 28, 2021

This issue was addressed with improved checks. This issue is fixed in tvOS 15, watchOS 8, iOS 15 and iPadOS 15. A malicious application may be able to modify protected parts of the file system.

A use after free issue was addressed with improved memory management

CVE-2021-30809 8.8 - High - October 28, 2021

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

Dangling pointer

A memory corruption issue was addressed with improved input validation

CVE-2021-30814 7.8 - High - October 28, 2021

A memory corruption issue was addressed with improved input validation. This issue is fixed in tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing a maliciously crafted image may lead to arbitrary code execution.

Memory Corruption

A type confusion issue was addressed with improved state handling

CVE-2021-30818 8.8 - High - October 28, 2021

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

Object Type Confusion

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

CVE-2021-30831 5.5 - Medium - October 28, 2021

An out-of-bounds read was addressed with improved input validation. This issue is fixed in tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing a maliciously crafted font may result in the disclosure of process memory.

Out-of-bounds Read

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

CVE-2021-30836 5.5 - Medium - October 28, 2021

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.8 and iPadOS 14.8, tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing a maliciously crafted audio file may disclose restricted memory.

Out-of-bounds Read

This issue was addressed with improved checks

CVE-2021-30840 7.8 - High - October 28, 2021

This issue was addressed with improved checks. This issue is fixed in tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing a maliciously crafted dfont file may lead to arbitrary code execution.

This issue was addressed with improved checks

CVE-2021-30813 6.5 - Medium - October 28, 2021

This issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.0.1. A person with access to a host Mac may be able to bypass the Login Window in Remote Desktop for a locked instance of macOS.

A resource exhaustion issue was addressed with improved input validation

CVE-2020-10005 6.5 - Medium - October 28, 2021

A resource exhaustion issue was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1. An attacker in a privileged network position may be able to perform denial of service.

Resource Exhaustion

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

CVE-2020-29629 5.5 - Medium - October 28, 2021

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1. A malicious application may be able to read restricted memory.

Out-of-bounds Read

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

CVE-2020-9897 7.8 - High - October 28, 2021

An out-of-bounds write was addressed with improved input validation. This issue is fixed in iOS 14.2 and iPadOS 14.2, macOS Big Sur 11.0.1. Processing a maliciously crafted PDF may lead to arbitrary code execution.

Memory Corruption

A logic issue was addressed with improved state management

CVE-2021-1821 6.5 - Medium - October 28, 2021

A logic issue was addressed with improved state management. This issue is fixed in watchOS 7.6, macOS Big Sur 11.5. Visiting a maliciously crafted webpage may lead to a system denial of service.

A permissions issue was addressed with improved validation

CVE-2021-30817 5.5 - Medium - October 28, 2021

A permissions issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.5. A malicious application may be able to access data about the accounts the user is using Family Sharing with.

A memory corruption issue was addressed with improved memory handling

CVE-2021-30821 7.8 - High - October 28, 2021

A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.0.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. A malicious application may be able to execute arbitrary code with kernel privileges.

A logic issue was addressed with improved restrictions

CVE-2021-30823 6.5 - Medium - October 28, 2021

A logic issue was addressed with improved restrictions. This issue is fixed in macOS Monterey 12.0.1, iOS 14.8 and iPadOS 14.8, tvOS 15, Safari 15, watchOS 8. An attacker in a privileged network position may be able to bypass HSTS.

A memory corruption issue was addressed with improved state management

CVE-2021-30824 7.8 - High - October 28, 2021

A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Monterey 12.0.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. A malicious application may be able to execute arbitrary code with kernel privileges.

Memory Corruption

This issue was addressed with improved checks

CVE-2021-30833 5.5 - Medium - October 28, 2021

This issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.0.1. Unpacking a maliciously crafted archive may allow an attacker to write arbitrary files.

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

A memory corruption issue was addressed with improved memory handling

CVE-2021-30848 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, iOS 15 and iPadOS 15. Processing maliciously crafted web content may lead to code execution.

Memory Corruption

Multiple memory corruption issues were addressed with improved memory handling

CVE-2021-30849 7.8 - High - October 19, 2021

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, watchOS 8, Safari 15, tvOS 15, iOS 15 and iPadOS 15, iTunes 12.12 for Windows. Processing maliciously crafted web content may lead to arbitrary code execution.

Memory Corruption

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.

This issue was addressed with improved checks

CVE-2021-30847 7.8 - High - October 19, 2021

This issue was addressed with improved checks. This issue is fixed in watchOS 8, macOS Big Sur 11.6, Security Update 2021-005 Catalina, tvOS 15, iOS 15 and iPadOS 15, iTunes 12.12 for Windows. Processing a maliciously crafted image may lead to arbitrary code execution.

This issue was addressed with improved checks

CVE-2021-30841 7.8 - High - October 19, 2021

This issue was addressed with improved checks. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, Security Update 2021-005 Catalina, tvOS 15, iOS 15 and iPadOS 15, watchOS 8. Processing a maliciously crafted dfont file may lead to arbitrary code execution.

This issue was addressed with improved checks

CVE-2021-30842 7.8 - High - October 19, 2021

This issue was addressed with improved checks. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, Security Update 2021-005 Catalina, tvOS 15, iOS 15 and iPadOS 15, watchOS 8. Processing a maliciously crafted dfont file may lead to arbitrary code execution.

This issue was addressed with improved checks

CVE-2021-30843 7.8 - High - October 19, 2021

This issue was addressed with improved checks. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, Security Update 2021-005 Catalina, tvOS 15, iOS 15 and iPadOS 15, watchOS 8. Processing a maliciously crafted dfont file may lead to arbitrary code execution.

An access issue was addressed with improved access restrictions

CVE-2021-30850 5.5 - Medium - October 19, 2021

An access issue was addressed with improved access restrictions. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6, tvOS 15. A user may gain access to protected parts of the file system.

Exposure of Resource to Wrong Sphere

A permissions issue existed

CVE-2021-30827 7.8 - High - October 19, 2021

A permissions issue existed. This issue was addressed with improved permission validation. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6. A local attacker may be able to elevate their privileges.

Improper Preservation of Permissions

This issue was addressed with improved checks

CVE-2021-30828 5.5 - Medium - October 19, 2021

This issue was addressed with improved checks. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6. A local user may be able to read arbitrary files as root.

Exposure of Resource to Wrong Sphere

A URI parsing issue was addressed with improved parsing

CVE-2021-30829 7.8 - High - October 19, 2021

A URI parsing issue was addressed with improved parsing. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6. A local user may be able to execute arbitrary files.

Improper Privilege Management

A memory corruption issue was addressed with improved memory handling

CVE-2021-30830 7.8 - High - October 19, 2021

A memory corruption issue was addressed with improved memory handling. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6. A malicious application may be able to execute arbitrary code with kernel privileges.

Memory Corruption

A memory corruption issue was addressed with improved state management

CVE-2021-30832 7.8 - High - October 19, 2021

A memory corruption issue was addressed with improved state management. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6. A local attacker may be able to elevate their privileges.

Memory Corruption

A logic issue was addressed with improved state management

CVE-2021-30844 7.5 - High - October 19, 2021

A logic issue was addressed with improved state management. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6. A remote attacker may be able to leak memory.

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

CVE-2021-30845 5.5 - Medium - October 19, 2021

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.6. A local user may be able to read kernel memory.

Out-of-bounds Read

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

A use after free issue was addressed with improved memory management

CVE-2021-1876 8.8 - High - September 08, 2021

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. Processing maliciously crafted web content may lead to arbitrary code execution.

Dangling pointer

An integer overflow was addressed with improved input validation

CVE-2021-1878 6.5 - Medium - September 08, 2021

An integer overflow was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. An attacker in a privileged network position may be able to leak sensitive user information.

Integer Overflow or Wraparound

This issue was addressed with improved checks

CVE-2021-1880 7.8 - High - September 08, 2021

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

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

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

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

This issue was addressed by removing the vulnerable code

CVE-2021-30679 7.8 - High - September 08, 2021

This issue was addressed by removing the vulnerable code. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave. An application may be able to gain elevated privileges.

A logic issue was addressed with improved state management

CVE-2021-30680 7.8 - High - September 08, 2021

A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.4. A local user may be able to load unsigned kernel extensions.

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

A use after free issue was addressed with improved memory management

CVE-2021-30683 7.8 - High - September 08, 2021

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave. A malicious application could execute arbitrary code leading to compromise of user information.

Dangling pointer

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

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

A validation issue was addressed with improved logic

CVE-2021-30671 3.3 - Low - 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. A malicious application may be able to send unauthorized Apple events to Finder.

Improper Input Validation

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

A type confusion issue was addressed with improved state handling

CVE-2021-1829 9.8 - Critical - September 08, 2021

A type confusion issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.3. An application may be able to execute arbitrary code with kernel privileges.

Object Type Confusion

The issue was addressed with improved permissions logic

CVE-2021-1839 7.8 - High - September 08, 2021

The issue was addressed with improved permissions logic. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. A local attacker may be able to elevate their privileges.

Improper Privilege Management

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

CVE-2021-1834 9.8 - Critical - 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, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. A malicious application may be able to execute arbitrary code with kernel privileges.

Memory Corruption

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 memory corruption issue was addressed with improved validation

CVE-2021-1840 7.8 - High - September 08, 2021

A memory corruption issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. A local attacker may be able to elevate their privileges.

Improper Input Validation

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 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 local user may be able to cause unexpected system termination or read kernel memory

CVE-2021-30719 7.1 - High - September 08, 2021

A local user may be able to cause unexpected system termination or read kernel memory. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina. An out-of-bounds read issue was addressed by removing the vulnerable code.

Out-of-bounds Read

This issue was addressed with improved checks

CVE-2021-30718 4.3 - Medium - September 08, 2021

This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.4. A non-privileged user may be able to modify restricted settings.

A memory corruption issue was addressed with improved state management

CVE-2021-30717 8.1 - High - September 08, 2021

A memory corruption 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. An attacker in a privileged network position may be able to execute arbitrary code.

Memory Corruption

A logic issue was addressed with improved state management

CVE-2021-30716 5.9 - Medium - September 08, 2021

A logic 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. An attacker in a privileged network position may be able to perform denial of service.

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

This issue was addressed with improved entitlements

CVE-2021-1824 4.4 - Medium - September 08, 2021

This issue was addressed with improved entitlements. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina. A malicious application with root privileges may be able to access private information.

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 permissions issue was addressed with improved validation

CVE-2021-30713 7.8 - High - September 08, 2021

A permissions issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.4. A malicious application may be able to bypass Privacy preferences. Apple is aware of a report that this issue may have been actively exploited..

AuthZ

A logic issue was addressed with improved state management

CVE-2021-30712 7.8 - High - September 08, 2021

A logic 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. A remote attacker may be able to cause unexpected application termination or arbitrary code execution.

A logic issue was addressed with improved state management

CVE-2021-30702 4.6 - Medium - September 08, 2021

A logic 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. A person with physical access to a Mac may be able to bypass Login Window.

authentification

A logic issue was addressed with improved state management

CVE-2021-30669 5.5 - Medium - September 08, 2021

A logic 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. A malicious application may bypass Gatekeeper checks.

Download of Code Without Integrity Check

A logic issue was addressed with improved state management

CVE-2021-1853 7.8 - High - September 08, 2021

A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.3. A local attacker may be able to elevate their privileges.

Improper Privilege Management

A memory corruption issue was addressed with improved validation

CVE-2021-1847 7.8 - High - September 08, 2021

A memory corruption issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. Opening a maliciously crafted file may lead to unexpected application termination or arbitrary code execution.

Memory Corruption

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 corruption issue was addressed with improved validation

CVE-2021-1828 7.1 - High - September 08, 2021

A memory corruption issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. An application may be able to cause unexpected system termination or write kernel memory.

Memory Corruption

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 logic issue was addressed with improved state management

CVE-2021-1810 5.5 - Medium - September 08, 2021

A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina. A malicious application may bypass Gatekeeper checks.

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

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-2021-30684 7.8 - High - September 08, 2021

A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina. A remote attacker may cause an unexpected application termination or arbitrary code execution.

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.

A logic issue was addressed with improved state management

CVE-2021-30678 9.8 - Critical - September 08, 2021

A logic 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. A remote attacker may be able to cause unexpected application termination or arbitrary code execution.

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

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

An issue existed in determining cache occupancy

CVE-2021-1861 4.3 - Medium - September 08, 2021

An issue existed in determining cache occupancy. The issue was addressed through improved logic. This issue is fixed in macOS Big Sur 11.3. A malicious website may be able to track users by setting state in a cache.

Exposure of Resource to Wrong Sphere

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 logic issue was addressed with improved state management

CVE-2021-1859 7.5 - High - September 08, 2021

A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.3. Locked Notes content may have been unexpectedly unlocked.

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

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.

A malicious application may be able to break out of its sandbox

CVE-2021-30688 8.8 - High - September 08, 2021

A malicious application may be able to break out of its sandbox. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina. A path handling issue was addressed with improved validation.

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.

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-2021-30694 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.

An attacker in a privileged network position may be able to misrepresent application state

CVE-2021-30696 5.9 - Medium - September 08, 2021

An attacker in a privileged network position may be able to misrepresent application state. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave. A logic issue was addressed with improved state management.

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.

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

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