VULNERABILITY INTELLIGENCE

CVE-2021-30780

CVSS score9.3 HIGH

EPSS probability1.30%

CISA KEVNot currently listed

Published2021-09-08

Last modified2026-06-17

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-005 Mojave, Security Update 2021-004 Catalina. A malicious application may be able to gain root privileges.