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CVSS: 9.3EPSS: 0%CPEs: 7EXPL: 0

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 14.2 and iPadOS 14.2, iCloud for Windows 11.5, tvOS 14.2, iTunes 12.11 for Windows. Processing maliciously crafted web content may lead to code execution. Se abordó un problema de uso de la memoria previamente liberada con una administración de la memoria mejorada. Este problema se corrigió en macOS Big Sur versión 11.0.1, watchOS versión 7.1, iOS versión 14.2 y iPadOS versión 14.2, iCloud para Windows versión 11.5, tvOS versión 14.2, iTunes versión 12.11 para Windows. • http://seclists.org/fulldisclosure/2020/Dec/32 https://support.apple.com/en-us/HT211928 https://support.apple.com/en-us/HT211929 https://support.apple.com/en-us/HT211930 https://support.apple.com/en-us/HT211931 https://support.apple.com/en-us/HT211933 https://support.apple.com/en-us/HT211935 • CWE-416: Use After Free •

CVSS: 7.1EPSS: 1%CPEs: 8EXPL: 1

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. Se abordó un problema de inicialización de la memoria. Este problema se corrigió en macOS Big Sur versión 11.0.1, watchOS versión 7.1, iOS versión 12.4.9, watchOS versión 6.2.9, Security Update 2020-006 High Sierra, Security Update 2020-006 Mojave, iOS versión 14.2 y iPadOS versión 14.2, watchOS versión 5.3.9, macOS Catalina versión 10.15.7 Supplemental Update, macOS Catalina versión 10.15.7 Update. • https://github.com/synacktiv/CVE-2020-27950 http://packetstormsecurity.com/files/161296/XNU-Kernel-Mach-Message-Trailers-Memory-Disclosure.html http://seclists.org/fulldisclosure/2020/Dec/32 https://support.apple.com/en-us/HT211928 https://support.apple.com/en-us/HT211929 https://support.apple.com/en-us/HT211931 https://support.apple.com/en-us/HT211940 https://support.apple.com/en-us/HT211944 https://support.apple.com/en-us/HT211945 https://support.apple.com/en-us/HT211946 • CWE-665: Improper Initialization •

CVSS: 9.3EPSS: 0%CPEs: 22EXPL: 0

A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.0.1, iOS 14.2 and iPadOS 14.2, tvOS 14.2, watchOS 7.1. An application may be able to execute arbitrary code with kernel privileges. Se abordó un problema de corrupción de la memoria con una administración de estado mejorada. Este problema se corrigió en macOS Big Sur versión 11.0.1, iOS versión 14.2 y iPadOS versión 14.2, tvOS versión 14.2, watchOS versión 7.1. • http://seclists.org/fulldisclosure/2020/Dec/26 http://seclists.org/fulldisclosure/2020/Dec/32 https://support.apple.com/en-us/HT211928 https://support.apple.com/en-us/HT211929 https://support.apple.com/en-us/HT211930 https://support.apple.com/en-us/HT211931 https://support.apple.com/kb/HT212011 • CWE-787: Out-of-bounds Write •

CVSS: 7.8EPSS: 0%CPEs: 22EXPL: 0

A path handling issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.0.1, iOS 14.2 and iPadOS 14.2, tvOS 14.2, watchOS 7.1. A local attacker may be able to elevate their privileges. Se abordó un problema de manejo de rutas con una comprobación mejorada. Este problema se corrigió en macOS Big Sur versión 11.0.1, iOS versión 14.2 y iPadOS versión 14.2, tvOS versión 14.2, watchOS versión 7.1. • http://seclists.org/fulldisclosure/2020/Dec/26 http://seclists.org/fulldisclosure/2020/Dec/32 https://support.apple.com/en-us/HT211928 https://support.apple.com/en-us/HT211929 https://support.apple.com/en-us/HT211930 https://support.apple.com/en-us/HT211931 https://support.apple.com/kb/HT212011 • CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') •

CVSS: 7.8EPSS: 0%CPEs: 5EXPL: 0

An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, iOS 14.2 and iPadOS 14.2, tvOS 14.2, watchOS 7.1. Processing a maliciously crafted audio file may lead to arbitrary code execution. Se abordó una escritura fuera de límites con una comprobación de entrada mejorada. Este problema se corrigió en macOS Big Sur versión 11.0.1, iOS versión 14.2 y iPadOS versión 14.2, tvOS versión 14.2, watchOS versión 7.1. • http://seclists.org/fulldisclosure/2020/Dec/26 http://seclists.org/fulldisclosure/2020/Dec/32 https://support.apple.com/en-us/HT211928 https://support.apple.com/en-us/HT211929 https://support.apple.com/en-us/HT211930 https://support.apple.com/en-us/HT211931 https://support.apple.com/kb/HT212011 • CWE-787: Out-of-bounds Write •