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APPLE-SA-2019-10-29-5 Safari 13.0.3

Safari 13.0.3 is now available and addresses the following:

WebKit
Available for: macOS Mojave 10.14.6 and macOS High Sierra 10.13.6,
and included in macOS Catalina 10.15.1
Impact: Processing maliciously crafted web content may lead to
universal cross site scripting
Description: A logic issue was addressed with improved state
management.
CVE-2019-8813: an anonymous researcher

WebKit
Available for: macOS Mojave 10.14.6 and macOS High Sierra 10.13.6,
and included in macOS Catalina 10.15.1
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: Multiple memory corruption issues were addressed with
improved memory handling.
CVE-2019-8782: Cheolung Lee of LINE+ Security Team
CVE-2019-8783: Cheolung Lee of LINE+ Graylab Security Team
CVE-2019-8808: found by OSS-Fuzz
CVE-2019-8811: Soyeon Park of SSLab at Georgia Tech
CVE-2019-8812: an anonymous researcher
CVE-2019-8814: Cheolung Lee of LINE+ Security Team
CVE-2019-8816: Soyeon Park of SSLab at Georgia Tech
CVE-2019-8819: Cheolung Lee of LINE+ Security Team
CVE-2019-8820: Samuel Groß of Google Project Zero
CVE-2019-8821: Sergei Glazunov of Google Project Zero
CVE-2019-8822: Sergei Glazunov of Google Project Zero
CVE-2019-8823: Sergei Glazunov of Google Project Zero

WebKit Process Model
Available for: macOS Mojave 10.14.6 and macOS High Sierra 10.13.6,
and included in macOS Catalina 10.15.1
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: Multiple memory corruption issues were addressed with
improved memory handling.
CVE-2019-8815: Apple

Additional recognition

WebKit
We would like to acknowledge Dlive of Tencent's Xuanwu Lab and Zhiyi
Zhang of Codesafe Team of Legendsec at Qi'anxin Group for their
assistance.

Installation note:

Safari 13.0.3 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

This message is signed with Apple's Product Security PGP key,
and details are available at:
https://www.apple.com/support/security/pgp/
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