VULNERABILITY INTELLIGENCE

CVE-2021-1788

CVSS score8.8 HIGH

EPSS probability1.68%

CISA KEVNot currently listed

Published2021-04-02

Last modified2026-06-17

Description

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS 14.4, watchOS 7.3, iOS 14.4 and iPadOS 14.4, Safari 14.0.3. Processing maliciously crafted web content may lead to arbitrary code execution.