CVE-2021-1844

Name of the Vulnerable Software and Affected Versions: iOS versions prior to 14.4.1 iPadOS versions prior to 14.4.1 Safari versions prior to 14.0.3 watchOS versions prior to 7.3.2 macOS Big Sur versions prior to 11.2.3

Description: A memory corruption issue was addressed with improved validation. Processing maliciously crafted web content may lead to arbitrary code execution. The issue is related to insufficient input validation in the WebKit module used by the Safari browser, which could allow a remote attacker to execute arbitrary code using a specially crafted malicious web page.

Recommendations: For iOS versions prior to 14.4.1, update to iOS 14.4.1 or later. For iPadOS versions prior to 14.4.1, update to iPadOS 14.4.1 or later. For Safari versions prior to 14.0.3, update to Safari 14.0.3 or later. For watchOS versions prior to 7.3.2, update to watchOS 7.3.2 or later. For macOS Big Sur versions prior to 11.2.3, update to macOS Big Sur 11.2.3 or later.