About the security content of Safari 12.1.1

This document describes the security content of Safari 12.1.1.

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 12.1.1

WebKit

Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, and included in macOS Mojave 10.14.5

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

Description: An out-of-bounds read was addressed with improved input validation.

CVE-2019-8607: Junho Jang and Hanul Choi of LINE Security Team

WebKit

Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, and included in macOS Mojave 10.14.5

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

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

CVE-2019-6237: G. Geshev working with Trend Micro Zero Day Initiative, Liu Long of Qihoo 360 Vulcan Team

CVE-2019-8571: 01 working with Trend Micro's Zero Day Initiative

CVE-2019-8583: sakura of Tencent Xuanwu Lab, jessica (@babyjess1ca_) of Tencent Keen Lab, and dwfault working at ADLab of Venustech

CVE-2019-8584: G. Geshev of MWR Labs working with Trend Micro Zero Day Initiative

CVE-2019-8586: an anonymous researcher

CVE-2019-8587: G. Geshev working with Trend Micro Zero Day Initiative

CVE-2019-8594: Suyoung Lee and Sooel Son of KAIST Web Security & Privacy Lab and HyungSeok Han and Sang Kil Cha of KAIST SoftSec Lab

CVE-2019-8595: G. Geshev from MWR Labs working with Trend Micro Zero Day Initiative

CVE-2019-8596: Wen Xu of SSLab at Georgia Tech

CVE-2019-8597: 01 working with Trend Micro Zero Day Initiative

CVE-2019-8601: Fluoroacetate working with Trend Micro's Zero Day Initiative

CVE-2019-8608: G. Geshev working with Trend Micro Zero Day Initiative

CVE-2019-8609: Wen Xu of SSLab, Georgia Tech

CVE-2019-8610: Anonymous working with Trend Micro Zero Day Initiative

CVE-2019-8611: Samuel Groß of Google Project Zero

CVE-2019-8615: G. Geshev from MWR Labs working with Trend Micro's Zero Day Initiative

CVE-2019-8619: Wen Xu of SSLab at Georgia Tech and Hanqing Zhao of Chaitin Security Research Lab

CVE-2019-8622: Samuel Groß of Google Project Zero

CVE-2019-8623: Samuel Groß of Google Project Zero

CVE-2019-8628: Wen Xu of SSLab at Georgia Tech and Hanqing Zhao of Chaitin Security Research Lab

Additional recognition

Safari

We would like to acknowledge Michael Ball of Gradescope by Turnitin for their assistance.