Safari 12.1.1 security update

Apple released a security update for Safari, Safari 12.1.1, on May 13, 2019. This security update applies to macOS Sierra, macOS High Sierra, and macOS Mojave, and is included with the security updates for these operating systems released on May 13, 2019. You can subscribe to Apple security announcements at https://lists.apple.com/mailman/listinfo/security-announce/


APPLE-SA-2019-5-13-5 Safari 12.1.1

Safari 12.1.1 is now available and addresses the following:

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.

Installation note:

Safari 12.1.1 may be obtained from the Mac App Store.

Information will also be posted to the Apple Security Updates
web site: https://support.apple.com/kb/HT201222

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