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CVE-2021-1840

Status Candidate

Overview

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.

Related Files

Apple Security Advisory 2021-04-26-4
Posted Apr 28, 2021
Authored by Apple | Site apple.com

Apple Security Advisory 2021-04-26-4 - Security Update 2021-003 Mojave addresses buffer overflow, code execution, denial of service, double free, integer overflow, out of bounds read, out of bounds write, and use-after-free vulnerabilities.

tags | advisory, denial of service, overflow, vulnerability, code execution
systems | apple
advisories | CVE-2020-27942, CVE-2020-3838, CVE-2020-8037, CVE-2020-8285, CVE-2020-8286, CVE-2021-1739, CVE-2021-1784, CVE-2021-1797, CVE-2021-1805, CVE-2021-1806, CVE-2021-1808, CVE-2021-1809, CVE-2021-1811, CVE-2021-1813, CVE-2021-1828, CVE-2021-1834, CVE-2021-1839, CVE-2021-1840, CVE-2021-1843, CVE-2021-1847, CVE-2021-1851, CVE-2021-1857, CVE-2021-1860, CVE-2021-1868, CVE-2021-1873, CVE-2021-1875, CVE-2021-1876, CVE-2021-1878
SHA-256 | 085c6075d838947dd67d434b7dca655198a676e3fba244100c6a5b22d8c8e963
Apple Security Advisory 2021-04-26-3
Posted Apr 28, 2021
Authored by Apple | Site apple.com

Apple Security Advisory 2021-04-26-3 - Security Update 2021-002 Catalina addresses buffer overflow, bypass, code execution, denial of service, double free, integer overflow, out of bounds read, out of bounds write, and use-after-free vulnerabilities.

tags | advisory, denial of service, overflow, vulnerability, code execution
systems | apple
advisories | CVE-2020-27942, CVE-2020-3838, CVE-2020-8037, CVE-2020-8285, CVE-2020-8286, CVE-2021-1739, CVE-2021-1740, CVE-2021-1784, CVE-2021-1797, CVE-2021-1808, CVE-2021-1809, CVE-2021-1810, CVE-2021-1811, CVE-2021-1813, CVE-2021-1824, CVE-2021-1828, CVE-2021-1834, CVE-2021-1839, CVE-2021-1840, CVE-2021-1843, CVE-2021-1847, CVE-2021-1851, CVE-2021-1857, CVE-2021-1860, CVE-2021-1868, CVE-2021-1873, CVE-2021-1875, CVE-2021-1876
SHA-256 | 9fb4794f7521059a8704f973e8f3f52c8d67eaf416db339cd80d4855e58d63e0
Apple Security Advisory 2021-04-26-2
Posted Apr 28, 2021
Authored by Apple | Site apple.com

Apple Security Advisory 2021-04-26-2 - macOS Big Sur 11.3 addresses buffer overflow, bypass, code execution, cross site scripting, denial of service, double free, heap corruption, integer overflow, out of bounds read, out of bounds write, and use-after-free vulnerabilities.

tags | advisory, denial of service, overflow, vulnerability, code execution, xss
systems | apple
advisories | CVE-2020-7463, CVE-2020-8037, CVE-2020-8285, CVE-2020-8286, CVE-2021-1739, CVE-2021-1740, CVE-2021-1784, CVE-2021-1808, CVE-2021-1809, CVE-2021-1810, CVE-2021-1811, CVE-2021-1813, CVE-2021-1814, CVE-2021-1815, CVE-2021-1817, CVE-2021-1820, CVE-2021-1824, CVE-2021-1825, CVE-2021-1826, CVE-2021-1828, CVE-2021-1829, CVE-2021-1832, CVE-2021-1834, CVE-2021-1839, CVE-2021-1840, CVE-2021-1841, CVE-2021-1843, CVE-2021-1846
SHA-256 | 680d89257590bf8337b86839a16e2efaa29641b68a2b8ac21e5d767c4ad06b2e
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