Apple iOS vulnerabilities

CVE-2021-30681 [HIGH] CWE-20 CVE-2021-30681: A validation issue existed in the handling of symlinks. This issue was addressed with improved valid 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.

CVE-2021-30724 [HIGH] CVE-2021-30724: This issue was addressed with improved checks. This issue is fixed in tvOS 14.6, Security Update 202 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. A local attacker may be able to elevate their privileges.

CVE-2021-30736 [HIGH] CWE-120 CVE-2021-30736: A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Big Sur A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Big Sur 11.4, tvOS 14.6, watchOS 7.5, iOS 14.6 and iPadOS 14.6. An application may be able to execute arbitrary code with kernel privileges.

CVE-2021-30663 [HIGH] CWE-190 CVE-2021-30663: An integer overflow was addressed with improved input validation. This issue is fixed in iOS 14.5.1 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.

CVE-2021-30749 [HIGH] CWE-787 CVE-2021-30749: Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed Multiple memory corruption issues were addressed with improved memory handling. 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 arbitrary code execution.

CVE-2021-1843 [HIGH] CVE-2021-1843: This issue was addressed with improved checks. This issue is fixed in Security Update 2021-002 Catal 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.

CVE-2021-30729 [HIGH] CVE-2021-30729: A logic issue was addressed with improved restrictions. This issue is fixed in iOS 14.6 and iPadOS 1 A logic issue was addressed with improved restrictions. This issue is fixed in iOS 14.6 and iPadOS 14.6. A device may accept invalid activation results.

CVE-2021-30662 [HIGH] CVE-2021-30662: This issue was addressed with improved checks. This issue is fixed in iOS 14.5 and iPadOS 14.5. Proc 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.

CVE-2021-1875 [HIGH] CWE-415 CVE-2021-1875: A double free issue was addressed with improved memory management. This issue is fixed in Security U 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.

CVE-2021-30660 [HIGH] CWE-125 CVE-2021-30660: An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Big 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.

CVE-2021-30764 [HIGH] CVE-2021-30764: Processing a maliciously crafted file may lead to arbitrary code execution. This issue is fixed in i Processing a maliciously crafted file may lead to arbitrary code execution. This issue is fixed in iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. This issue was addressed with improved checks.

CVE-2021-30707 [HIGH] CWE-120 CVE-2021-30707: This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.4, tvOS 14.6, 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.

CVE-2021-30677 [HIGH] CVE-2021-30677: This issue was addressed with improved environment sanitization. This issue is fixed in tvOS 14.6, i 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.

CVE-2021-30742 [HIGH] CVE-2021-30742: A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 1 A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 14.5 and iPadOS 14.5. Processing a maliciously crafted audio file may lead to arbitrary code execution.

CVE-2021-1874 [HIGH] CVE-2021-1874: A logic issue was addressed with improved state management. This issue is fixed in iOS 14.5 and iPad 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.

CVE-2021-1881 [HIGH] CWE-125 CVE-2021-1881: An out-of-bounds read was addressed with improved input validation. This issue is fixed in Security 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.

CVE-2021-30710 [HIGH] CWE-787 CVE-2021-30710: A memory corruption issue was addressed with improved state management. This issue is fixed in tvOS 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.

CVE-2021-1809 [HIGH] CWE-787 CVE-2021-1809: A memory corruption issue was addressed with improved validation. This issue is fixed in Security Up 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.

CVE-2021-30653 [HIGH] CVE-2021-30653: This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 a 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.

CVE-2021-1762 [HIGH] CWE-787 CVE-2021-1762: An out-of-bounds write was addressed with improved input validation. This issue is fixed in iOS 14.4 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.