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CVSS: 7.8EPSS: 0%CPEs: 23EXPL: 0

CVE-2021-1754

https://notcve.org/view.php?id=CVE-2021-1754

This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. Processing a maliciously crafted image may lead to arbitrary code execution. Este problema es abordado con comprobaciones mejoradas. Este problema es corregido en macOS Big Sur versión 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS versión 7.3, tvOS versión 14.4, iOS versión 14.4 y iPadOS versión 14.4. • https://support.apple.com/en-us/HT212146 https://support.apple.com/en-us/HT212147 https://support.apple.com/en-us/HT212148 https://support.apple.com/en-us/HT212149 •

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

CVE-2021-1738

https://notcve.org/view.php?id=CVE-2021-1738

An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave. Processing a maliciously crafted image may lead to arbitrary code execution. Se abordó una escritura fuera de límites con una comprobación de la entrada mejorada. Este problema es corregido en macOS Big Sur versión 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave. • https://support.apple.com/en-us/HT212147 https://support.apple.com/kb/HT212146 • CWE-787: Out-of-bounds Write •

CVSS: 7.8EPSS: 0%CPEs: 21EXPL: 0

CVE-2021-1741

https://notcve.org/view.php?id=CVE-2021-1741

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. Processing a maliciously crafted image may lead to arbitrary code execution. Se abordó una lectura fuera de límites con una comprobación de límites mejorada. Este problema es corregido en macOS Big Sur versión 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS versión 7.3, tvOS versión 14.4, iOS versión 14.4 y iPadOS versión 14.4. • https://support.apple.com/en-us/HT212146 https://support.apple.com/en-us/HT212147 https://support.apple.com/en-us/HT212148 https://support.apple.com/en-us/HT212149 • CWE-125: Out-of-bounds Read •

CVSS: 9.8EPSS: 1%CPEs: 10EXPL: 0

CVE-2021-1870 – Apple iOS, iPadOS, and macOS WebKit Remote Code Execution Vulnerability

https://notcve.org/view.php?id=CVE-2021-1870

A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.. Se abordó un problema de lógica con unas restricciones mejoradas. • https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JN6ZOD62CTO54CHTMJTHVEF6R2Y532TJ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU https://security.gentoo.org/glsa/202104-03 https://support.apple.com/en-us/HT212146 https://support.apple.com/en-us/HT212147 https://access.redhat.com/security/cve/CVE-2021-1870 https://bugzilla.redhat.com/show_bug.cgi?id=1944350 • CWE-20: Improper Input Validation •

CVSS: 9.8EPSS: 1%CPEs: 9EXPL: 0

CVE-2021-1871 – Apple iOS, iPadOS, and macOS WebKit Remote Code Execution Vulnerability

https://notcve.org/view.php?id=CVE-2021-1871

A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.. Se abordó un problema de lógica con unas restricciones mejoradas. • https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU https://support.apple.com/en-us/HT212146 https://support.apple.com/en-us/HT212147 https://www.debian.org/security/2021/dsa-4923 https://access.redhat.com/security/cve/CVE-2021-1871 https://bugzilla.redhat.com/show_bug.cgi?id=1944867 • CWE-20: Improper Input Validation •