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CVSS: 5.5EPSS: 0%CPEs: 34EXPL: 0

CVE-2020-7463

https://notcve.org/view.php?id=CVE-2020-7463

In FreeBSD 12.1-STABLE before r364644, 11.4-STABLE before r364651, 12.1-RELEASE before p9, 11.4-RELEASE before p3, and 11.3-RELEASE before p13, improper handling in the kernel causes a use-after-free bug by sending large user messages from multiple threads on the same SCTP socket. The use-after-free situation may result in unintended kernel behaviour including a kernel panic. En FreeBSD versiones 12.1-STABLE anteriores a r364644, 11.4-STABLE anteriores a r364651, 12.1-RELEASE anteriores a p9, 11.4-RELEASE anteriores a p3 y 11.3-RELEASE anteriores a p13, el manejo inapropiado en el kernel causa un bug de uso de la memoria previamente liberada mediante el envío de mensajes de usuario grandes de múltiples subprocesos en el mismo socket SCTP. La situación del uso de la memoria previamente liberada puede resultar en un comportamiento del kernel no deseado, incluyendo un pánico del kernel. • http://seclists.org/fulldisclosure/2021/Apr/49 http://seclists.org/fulldisclosure/2021/Apr/50 http://seclists.org/fulldisclosure/2021/Apr/57 http://seclists.org/fulldisclosure/2021/Apr/58 http://seclists.org/fulldisclosure/2021/Apr/59 https://security.FreeBSD.org/advisories/FreeBSD-SA-20:25.sctp.asc https://support.apple.com/kb/HT212317 https://support.apple.com/kb/HT212318 https://support.apple.com/kb/HT212319 https://support.apple.com/kb/HT212321 https://support.app • CWE-416: Use After Free •

CVSS: 8.8EPSS: 0%CPEs: 8EXPL: 0

CVE-2021-1844 – webkitgtk: Memory corruption issue leading to arbitrary code execution

https://notcve.org/view.php?id=CVE-2021-1844

A memory corruption issue was addressed with improved validation. This issue is fixed in iOS 14.4.1 and iPadOS 14.4.1, Safari 14.0.3 (v. 14610.4.3.1.7 and 15610.4.3.1.7), watchOS 7.3.2, macOS Big Sur 11.2.3. Processing maliciously crafted web content may lead to arbitrary code execution. Se abordó un problema de corrupción de memoria con una comprobación mejorada. Este problema es corregido en iOS versión 14.4.1 y iPadOS versión 14.4.1, Safari versión 14.0.3 (versiones v.14610.4.3.1.7 y 15610.4.3.1.7), watchOS versión 7.3.2, macOS Big Sur versión 11.2.3. • http://seclists.org/fulldisclosure/2021/Apr/55 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU https://support.apple.com/en-us/HT212220 https://support.apple.com/en-us/HT212221 https://support.apple.com/en-us/HT212222 https://support.apple.com/en-us/HT212223 https://support.apple.com/kb/HT212323 https://www.debian.org/security/2021/dsa-4923 https://access.redhat.com/security/cve/CVE-2021-1844 https://b • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-787: Out-of-bounds Write •

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

CVE-2020-29624 – Apple CoreText libFontParser.dylib Stack Corruption

https://notcve.org/view.php?id=CVE-2020-29624

A memory corruption issue existed in the processing of font files. This issue was addressed with improved input validation. This issue is fixed in watchOS 7.2, 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. Processing a maliciously crafted font file may lead to arbitrary code execution. Se presentó un problema de corrupción de memoria en un procesamiento de archivos de fuentes. • https://support.apple.com/en-us/HT212003 https://support.apple.com/en-us/HT212005 https://support.apple.com/en-us/HT212009 https://support.apple.com/en-us/HT212011 • CWE-787: Out-of-bounds Write •

CVSS: 7.8EPSS: 0%CPEs: 9EXPL: 0

CVE-2021-1793

https://notcve.org/view.php?id=CVE-2021-1793

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 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, 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: 8.8EPSS: 1%CPEs: 26EXPL: 0

CVE-2021-1789 – Apple Multiple Products Type Confusion Vulnerability

https://notcve.org/view.php?id=CVE-2021-1789

A type confusion issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS 14.4, watchOS 7.3, iOS 14.4 and iPadOS 14.4, Safari 14.0.3. Processing maliciously crafted web content may lead to arbitrary code execution. Se abordó un problema de confusión de tipos con un manejo del estado mejorado. Este problema es corregido en macOS Big Sur versión 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS versión 14.4, watchOS versión 7.3, iOS versión 14.4 y iPadOS versión 14.4, Safari versión 14.0.3. • 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://support.apple.com/en-us/HT212148 https://support.apple.com/en-us/HT212149 https://support.apple.com/en-us/HT212152 https:/&# • CWE-843: Access of Resource Using Incompatible Type ('Type Confusion') •