About the security content of Safari 13.0.4

This document describes the security content of Safari 13.0.4.

About Apple security updates

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

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Safari 13.0.4

Released December 10, 2019

WebKit

Available for: macOS Mojave and macOS High Sierra, and included in macOS Catalina

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

Description: Multiple memory corruption issues were addressed with improved memory handling.

CVE-2019-8835: Anonymous working with Trend Micro’s Zero Day Initiative, Mike Zhang of Pangu Team

CVE-2019-8844: William Bowling (@wcbowling)

WebKit

Available for: macOS Mojave and macOS High Sierra, and included in macOS Catalina

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-2019-8846: Marcin Towalski of Cisco Talos

WebKit

Available for: macOS Mojave and macOS High Sierra, and included in macOS Catalina

Impact: Visiting a maliciously crafted website may reveal sites a user has visited

Description: An information disclosure issue existed in the handling of the Storage Access API. This issue was addressed with improved logic.

CVE-2019-8898: Michael Kleber of Google

Entry added February 11, 2020, updated February 20, 2020

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Published Date: February 20, 2020