About the security content of Safari 13.0.4

This document describes the security content of Safari 13.0.4.

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.

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Safari 13.0.4

Released 10 December 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 11 February 2020, updated 20 February 2020

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