CVSS: 7.8EPSS: 0%CPEs: 46EXPL: 0CVE-2021-1875
https://notcve.org/view.php?id=CVE-2021-1875
A double free issue was addressed with improved memory management. 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. Processing a maliciously crafted file may lead to heap corruption. Se abordó un problema de doble liberación con una administración de memoria 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-415: Double Free •
CVSS: 8.8EPSS: 0%CPEs: 30EXPL: 0CVE-2021-1876
https://notcve.org/view.php?id=CVE-2021-1876
A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. Processing maliciously crafted web content may lead to arbitrary code execution. Se abordó un problema de uso de memoria previamente liberada con una administración de memoria mejorada. Este problema se corrigió en macOS Big Sur versión 11.3, Security Update 2021-002 Catalina y Security Update 2021-003 Mojave. • https://support.apple.com/en-us/HT212325 https://support.apple.com/en-us/HT212326 https://support.apple.com/en-us/HT212327 • CWE-416: Use After Free •
CVSS: 7.8EPSS: 0%CPEs: 42EXPL: 0CVE-2021-1839
https://notcve.org/view.php?id=CVE-2021-1839
The issue was addressed with improved permissions logic. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. A local attacker may be able to elevate their privileges. Se abordó el problema con una lógica de permisos mejorada. Este problema se corrigió en macOS Big Sur versión 11.3, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. • https://support.apple.com/en-us/HT212325 https://support.apple.com/en-us/HT212326 https://support.apple.com/en-us/HT212327 • CWE-269: Improper Privilege Management •
CVSS: 7.8EPSS: 0%CPEs: 42EXPL: 0CVE-2021-1840
https://notcve.org/view.php?id=CVE-2021-1840
A memory corruption issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. A local attacker may be able to elevate their privileges. Se abordó un problema de corrupción de la memoria con una comprobación mejorada. Este problema se corrigió en macOS Big Sur versión 11.3, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. • 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: 9.3EPSS: 0%CPEs: 42EXPL: 0CVE-2021-1841
https://notcve.org/view.php?id=CVE-2021-1841
A malicious application may be able to execute arbitrary code with kernel privileges. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina. An out-of-bounds write issue was addressed with improved bounds checking. Una aplicación maliciosa puede ser capaz de ejecutar código arbitrario con privilegios del kernel. Este problema se corrigió en macOS Big Sur versión 11.3, Security Update 2021-002 Catalina. • https://support.apple.com/en-us/HT212325 https://support.apple.com/en-us/HT212326 • CWE-787: Out-of-bounds Write •