A memory initialization issue was addressed. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 12.4.9, watchOS 6.2.9, Security Update 2020-006 High Sierra, Security Update 2020-006 Mojave, iOS 14.2 and iPadOS 14.2, watchOS 5.3.9, macOS Catalina 10.15.7 Supplemental Update, macOS Catalina 10.15.7 Update. A malicious application may be able to disclose kernel memory.
A denial of service issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.0.1. An attacker may be able to bypass Managed Frame Protection.
An issue existed in the handling of snapshots. The issue was resolved with improved permissions logic. This issue is fixed in macOS Big Sur 11.0.1. A malicious application may be able to preview files it does not have access to.
An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.0, tvOS 14.0, iOS 14.0 and iPadOS 14.0. An application may be able to execute arbitrary code with kernel privileges.
A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 14.0 and iPadOS 14.0. Processing a maliciously crafted USD file may lead to unexpected application termination or arbitrary code execution.
An information disclosure issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.0, iOS 14.0 and iPadOS 14.0, iTunes for Windows 12.10.9, iCloud for Windows 11.5, tvOS 14.0. A remote attacker may be able to leak memory.
A parsing issue in the handling of directory paths was addressed with improved path validation. This issue is fixed in macOS Big Sur 11.0.1. A malicious application may be able to break out of its sandbox.
An access issue was addressed with improved access restrictions. This issue is fixed in macOS Big Sur 11.0.1. Processing a maliciously crafted document may lead to a cross site scripting attack.
Use after free in WebRTC in Google Chrome prior to 86.0.4240.75 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
In SQLite before 3.32.3, select.c mishandles query-flattener optimization, leading to a multiSelectOrderBy heap overflow because of misuse of transitive properties for constant propagation.