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CVSS: 7.5EPSS: 0%CPEs: 34EXPL: 0

CVE-2021-1808

https://notcve.org/view.php?id=CVE-2021-1808

A memory corruption issue was addressed with improved validation. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. An application may be able to read restricted memory. Se abordó un problema de corrupción de la memoria con una comprobación mejorada. Este problema se corrigió en Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iOS versión 14.5 e iPadOS versión 14.5, watchOS versión 7.4, tvOS versión 14.5, macOS Big Sur versión 11.3. • https://support.apple.com/en-us/HT212317 https://support.apple.com/en-us/HT212323 https://support.apple.com/en-us/HT212324 https://support.apple.com/en-us/HT212325 https://support.apple.com/en-us/HT212326 https://support.apple.com/en-us/HT212327 • CWE-787: Out-of-bounds Write •

CVSS: 5.5EPSS: 0%CPEs: 33EXPL: 0

CVE-2021-1739

https://notcve.org/view.php?id=CVE-2021-1739

A parsing issue in the handling of directory paths was addressed with improved path validation. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. A local user may be able to modify protected parts of the file system. Se abordó un problema de análisis en el manejo de las rutas de los directorios con una comprobación de rutas mejorada. Este problema se corrigió en Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iOS versión 14.5 e iPadOS versión 14.5, watchOS versión 7.4, tvOS versión 14.5, macOS Big Sur versión 11.3. • https://support.apple.com/en-us/HT212317 https://support.apple.com/en-us/HT212323 https://support.apple.com/en-us/HT212324 https://support.apple.com/en-us/HT212325 https://support.apple.com/en-us/HT212326 https://support.apple.com/en-us/HT212327 • CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') •

CVSS: 7.5EPSS: 0%CPEs: 5EXPL: 0

CVE-2021-1849

https://notcve.org/view.php?id=CVE-2021-1849

An issue in code signature validation was addressed with improved checks. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. A malicious application may be able to bypass Privacy preferences. Se abordó un problema en la comprobación de firmas de código con comprobaciones mejoradas. Este problema se corrigió en macOS Big Sur versión 11.3, iOS versión 14.5 e iPadOS versión 14.5, watchOS versión 7.4, tvOS versión 14.5. • https://support.apple.com/en-us/HT212317 https://support.apple.com/en-us/HT212323 https://support.apple.com/en-us/HT212324 https://support.apple.com/en-us/HT212325 • CWE-347: Improper Verification of Cryptographic Signature •

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 •