VULNERABILITY INTELLIGENCE

CVE-2021-1867

CVSS score9.3 HIGH

EPSS probability1.85%

CISA KEVNot currently listed

Published2021-09-08

Last modified2026-06-17

Description

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.5 and iPadOS 14.5, macOS Big Sur 11.3. A malicious application may be able to execute arbitrary code with kernel privileges.