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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.4630
                               Safari 13.0.4
                             11 December 2019

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Apple macOS
Publisher:         Apple
Operating System:  Mac OS
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-8846 CVE-2019-8844 CVE-2019-8835

Original Bulletin: 
   https://support.apple.com/kb/HT201222

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APPLE-SA-2019-12-10-6 Safari 13.0.4

Safari 13.0.4 is now available and addresses the following:

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

Installation note:

Safari 13.0.4 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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This security bulletin is provided as a service to AusCERT's members.  As
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        https://www.auscert.org.au/bulletins/

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
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