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 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