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Apple macOS Big SurInput Validation

Risk 88
Severity
10
Input Validation
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. An application may be able to execute arbitrary code with kernel privileges.

1 / 2
First published (updated )
CVE-2021-30805

Apple macOS Big SurRace Condition, Input Validation

Risk 80
Severity
9.3
Race Condition, Input Validation
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

AMD Kernel. A memory corruption issue was addressed with improved input validation.

1 / 11
Source: Apple
First published (updated )
CVE-2021-30772

Apple macOS Big SurRace Condition, Input Validation

Risk 80
Severity
9.3
Race Condition, Input Validation
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

AMD Kernel. A memory corruption issue was addressed with improved input validation.

1 / 13
Source: Apple
First published (updated )
CVE-2021-30777

Apple macOS Big SurInput Validation, Race Condition, Integer Overflow, Buffer Overflow

Risk 80
Severity
9.3
Input Validation, Race Condition, Integer Overflow, Buffer Overflow
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

AMD Kernel. A memory corruption issue was addressed with improved input validation.

1 / 27
Source: Apple
First published (updated )
CVE-2021-30765

Apple macOS Big SurInput Validation, Race Condition, Integer Overflow, Buffer Overflow

Risk 80
Severity
9.3
Input Validation, Race Condition, Integer Overflow, Buffer Overflow
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

AMD Kernel. A memory corruption issue was addressed with improved input validation.

1 / 27
Source: Apple
First published (updated )
CVE-2021-30766
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Apple macOS Big SurRace Condition, Input Validation, Integer Overflow, Buffer Overflow

Risk 88
Severity
10
Race Condition, Input Validation, Integer Overflow, Buffer Overflow
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. An application may be able to execute arbitrary code with kernel privileges.

1 / 29
Source: MITRE
First published (updated )
CVE-2021-30793

debian/webkit2gtkInput Validation, Race Condition, Integer Overflow, Use After Free, Buffer Overflow

Risk 80
Severity
9.3
Input Validation, Race Condition, Integer Overflow, Use After Free, Buffer Overflow
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

ActionKit. An input validation issue was addressed with improved input validation.

1 / 50
Source: Apple
First published (updated )
CVE-2021-30799

Apple macOS Big SurInput Validation, Race Condition

Risk 80
Severity
9.3
Input Validation, Race Condition
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

ActionKit. An input validation issue was addressed with improved input validation.

1 / 18
Source: Apple
First published (updated )
CVE-2021-30780

Apple macOS Big SurApple iOS, iPadOS, and macOS WebKit Remote Code Execution Vulnerability

Risk 99
Severity
9.8
Exploited
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

A flaw was found in WebKitGTK.

Impact: A remote attacker may be able to cause arbitrary code execution. Description: A logic issue was addressed with improved restrictions.

Reference: https://webkitgtk.org/security/WSA-2021-0002.html

1 / 4
Source: Red Hat
First published (updated )
CVE-2021-1870

debian/webkit2gtkApple iOS, iPadOS, and macOS WebKit Remote Code Execution Vulnerability

Risk 99
Severity
9.8
Exploited
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

A flaw was found in WebKitGTK.

Impact: A remote attacker may be able to cause arbitrary code execution. Description: A logic issue was addressed with improved restrictions.

Reference: https://webkitgtk.org/security/WSA-2021-0003.html

1 / 4
Source: Red Hat
First published (updated )
CVE-2021-1871
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Apple macOS CatalinaBuffer Overflow

Risk 87
Severity
9.8
Buffer Overflow
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

libxml2. A buffer overflow was addressed with improved bounds checking.

1 / 8
First published (updated )
CVE-2020-3909

Apple macOS CatalinaBuffer Overflow

Risk 87
Severity
9.8
Buffer Overflow
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

libxml2. A buffer overflow was addressed with improved bounds checking.

1 / 8
First published (updated )
CVE-2020-3911

Apple macOS CatalinaBuffer Overflow

Risk 87
Severity
9.8
Buffer Overflow
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

libxml2. A buffer overflow was addressed with improved size validation.

1 / 8
First published (updated )
CVE-2020-3910

apple macOS CatalinaVim. Multiple issues were addressed by updating to version 8.1.1850.

Risk 87
Severity
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vim. Multiple issues were addressed by updating to version 8.1.1850.

1 / 2
First published (updated )
CVE-2020-9769

apple macOS CatalinaInput Validation

Risk 87
Severity
9.8
Input Validation
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CoreBluetooth. A memory corruption issue was addressed with improved input validation.

1 / 2
First published (updated )
CVE-2020-3849
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apple macOS CatalinaInput Validation

Risk 87
Severity
9.8
Input Validation
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CoreBluetooth. A memory corruption issue was addressed with improved input validation.

1 / 2
First published (updated )
CVE-2020-3848

apple macOS CatalinaInput Validation

Risk 87
Severity
9.8
Input Validation
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CoreBluetooth. A memory corruption issue was addressed with improved input validation.

1 / 2
First published (updated )
CVE-2020-3850

apple macOS CatalinaInput Validation

Risk 88
Severity
9.8
Input Validation
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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

1 / 2
First published (updated )
CVE-2020-3847

Apple macOS CatalinaLast updated 25 August 2025

Risk 68
Severity
9.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Last updated 25 August 2025

1 / 3
Source: Ubuntu
First published (updated )
CVE-2019-15167

redhat/phpUnderflow in PHP-FPM can lead to RCE

Risk 99
Severity
9.8
Exploited
Input Validation
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

apachemodphp. Multiple issues were addressed by updating to PHP version 7.3.11.

1 / 6
First published (updated )
CVE-2019-11043
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Apple macOS CatalinaLast updated 25 August 2025

Risk 88
Severity
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Last updated 25 August 2025

1 / 3
Source: Ubuntu
First published (updated )
CVE-2018-16451

Apple macOS CatalinaLast updated 25 August 2025

Risk 88
Severity
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Last updated 25 August 2025

1 / 3
Source: Ubuntu
First published (updated )
CVE-2018-16230

Apple macOS CatalinaLast updated 25 August 2025

Risk 88
Severity
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Last updated 25 August 2025

1 / 3
Source: Ubuntu
First published (updated )
CVE-2018-16228

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