About the security content of Safari 14.1.2

This document describes the security content of Safari 14.1.2.

About Apple security updates

For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security updates page.

Apple security documents reference vulnerabilities by CVE-ID when possible.

For more information about security, see the Apple Product Security page.

Safari 14.1.2

WebKit

Available for: macOS Catalina and macOS Mojave

Impact: Processing maliciously crafted web content may lead to arbitrary code execution

Description: A type confusion issue was addressed with improved state handling.

CVE-2021-30758: Christoph Guttandin of Media Codings

WebKit

Available for: macOS Catalina and macOS Mojave

Impact: Processing maliciously crafted web content may lead to arbitrary code execution

Description: A use after free issue was addressed with improved memory management.

CVE-2021-30795: Sergei Glazunov of Google Project Zero

WebKit

Available for: macOS Catalina and macOS Mojave

Impact: Processing maliciously crafted web content may lead to code execution

Description: This issue was addressed with improved checks.

CVE-2021-30797: Ivan Fratric of Google Project Zero