CVE ID:	CVE-2021-1840
Description:	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.
Test IDs:	None available
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2021-1840 https://support.apple.com/en-us/HT212325 https://support.apple.com/en-us/HT212325 https://support.apple.com/en-us/HT212326 https://support.apple.com/en-us/HT212326 https://support.apple.com/en-us/HT212327 https://support.apple.com/en-us/HT212327