A vulnerability was found in libpcre in PCRE before 8.43 allows a subject buffer over-read in JIT when UTF is disabled, and \X or \R has more than one fixed quantifier, a related issue to CVE-2019-20454.

References: https://bugs.gentoo.org/717920 https://www.pcre.org/original/changelog.txt

"Clear History and Website Data" did not clear the history. The issue was addressed with improved data deletion. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, iOS 14.3 and iPadOS 14.3, tvOS 14.3. A user may be unable to fully delete browsing history.

A flaw was found in WebKitGTK.

Impact: Maliciously crafted web content may violate iframe sandboxing policy. Description: This issue was addressed with improved iframe sandbox enforcement.

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

A flaw was found in WebKitGTK.

Impact: Processing maliciously crafted web content may lead to arbitrary code execution. Description: A use after free issue was addressed with improved memory management.

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

A flaw was found in WebKitGTK.

Impact: Maliciously crafted web content may violate iframe sandboxing policy. Description: This issue was addressed with improved iframe sandbox enforcement.

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

A flaw was found in WebKitGTK.

Impact: A malicious website may be able to access restricted ports on arbitrary servers. Description: A port redirection issue was addressed with additional port validation.

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

REJECT DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was in a CNA pool that was not assigned to any issues during 2017. Notes: none.

REJECT DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was in a CNA pool that was not assigned to any issues during 2017. Notes: none.

REJECT DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Notes: none.

REJECT DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was in a CNA pool that was not assigned to any issues during 2017. Notes: none.

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 12.1.3, macOS Mojave 10.14.3, tvOS 12.1.2, watchOS 5.1.3. A malicious application may be able to read restricted memory.

A memory initialization issue was addressed with improved memory handling. This issue is fixed in iOS 12.1.3,macOS Mojave 10.14.3,tvOS 12.1.2,watchOS 5.1.3. A malicious application may be able to break out of its sandbox.

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 12.1.3, macOS Mojave 10.14.3, tvOS 12.1.2, watchOS 5.1.3. A remote attacker may be able to initiate a FaceTime call causing arbitrary code execution.

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

Core Media. An out-of-bounds read was addressed with improved bounds checking.

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

A type confusion issue was addressed with improved memory handling. This issue is fixed in iOS 12.1.3, macOS Mojave 10.14.3, tvOS 12.1.2, watchOS 5.1.3. A malicious application may be able to break out of its sandbox.

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 12.1.3, macOS Mojave 10.14.3, tvOS 12.1.2, watchOS 5.1.3. An application may be able to execute arbitrary code with kernel privileges.

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

Natural Language Processing. A denial of service issue was addressed with improved validation.

A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 12.1.3, macOS Mojave 10.14.3, tvOS 12.1.2, watchOS 5.1.3. A malicious application may be able to execute arbitrary code with kernel privileges.

An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation. This issue is fixed in iOS 12.1.3, macOS Mojave 10.14.3, tvOS 12.1.2, watchOS 5.1.3. A malicious application may be able to determine kernel memory layout.

Kernel. A memory initialization issue was addressed with improved memory handling.

A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 12.1.3, macOS Mojave 10.14.3. Processing maliciously crafted web content may lead to arbitrary code execution.

Kernel. A memory corruption issue was addressed with improved lock state checking.

Core Media. An out-of-bounds read was addressed with improved bounds checking.

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 12.1.3, macOS Mojave 10.14.3. An attacker in a privileged network position may be able to execute arbitrary code.

Bluetooth. This issue was addressed by disabling accessories with insecure Bluetooth connections. Customers using the Bluetooth Low Energy (BLE) version of the Titan Security Key by Google should review Android’s June Bulletins and Google’s advisory and take appropriate action.

LibreSSL. Multiple issues were addressed by updating to libressl version 2.6.4.

LibreSSL. Multiple issues were addressed by updating to libressl version 2.6.4.