About the security content of Safari 13.1.1

This document describes the security content of Safari 13.1.1.

About Apple security updates

For our customers' protection, Apple doesn't disclose, discuss or confirm security issues until an investigation has taken place 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 13.1.1

Safari

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

Impact: A malicious process may cause Safari to launch an application

Description: A logic issue was addressed with improved restrictions.

CVE-2020-9801: @jinmo123, @setuid0x0_ and @insu_yun_en of @SSLab_Gatech working with Trend Micro’s Zero Day Initiative

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 logic issue was addressed with improved restrictions.

CVE-2020-9802: Samuel Groß of Google Project Zero

WebKit

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

Impact: Processing maliciously crafted web content may lead to universal cross site scripting

Description: A logic issue was addressed with improved restrictions.

CVE-2020-9805: an anonymous researcher

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 type confusion issue was addressed with improved memory handling.

CVE-2020-9800: Brendan Draper (@6r3nd4n) working with Trend Micro Zero Day Initiative

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 memory corruption issue was addressed with improved state management.

CVE-2020-9806: Wen Xu of SSLab at Georgia Tech

CVE-2020-9807: Wen Xu of SSLab at Georgia Tech

WebKit

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

Impact: A remote attacker may be able to cause arbitrary code execution

Description: A logic issue was addressed with improved restrictions.

CVE-2020-9850: @jinmo123, @setuid0x0_ and @insu_yun_en of @SSLab_Gatech working with Trend Micro’s Zero Day Initiative

WebKit

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

Impact: Processing maliciously crafted web content may lead to a cross-site scripting attack

Description: An input validation issue was addressed with improved input validation.

CVE-2020-9843: Ryan Pickren (ryanpickren.com)

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 memory corruption issue was addressed with improved validation.

CVE-2020-9803: Wen Xu of SSLab at Georgia Tech

WebRTC

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

Impact: Processing maliciously crafted web content may result in the disclosure of process memory

Description: An access issue was addressed with improved memory management.

CVE-2019-20503: natashenka of Google Project Zero

Additional recognition

WebKit

We would like to acknowledge Aidan Dunlap of UT Austin for their assistance.