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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2022.2408
                                Safari 15.5
                                17 May 2022

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

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

Product:           Safari 15.5
Publisher:         Apple
Operating System:  macOS
Resolution:        Patch/Upgrade
CVE Names:         CVE-2022-26719 CVE-2022-26717 CVE-2022-26716
                   CVE-2022-26709 CVE-2022-26700 

Original Bulletin: 
   https://support.apple.com/HT213260

Comment: CVSS (Max):  None available when published

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APPLE-SA-2022-05-16-7 Safari 15.5

Safari 15.5 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/HT213260.

WebKit
Available for: macOS Big Sur and macOS Catalina
Impact: Processing maliciously crafted web content may lead to code
execution
Description: A memory corruption issue was addressed with improved
state management.
WebKit Bugzilla: 238178
CVE-2022-26700: ryuzaki

WebKit
Available for: macOS Big Sur and 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.
WebKit Bugzilla: 236950
CVE-2022-26709: Chijin Zhou of ShuiMuYuLin Ltd and Tsinghua
wingtecher lab
WebKit Bugzilla: 238171
CVE-2022-26717: Jeonghoon Shin of Theori

WebKit
Available for: macOS Big Sur and 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.
WebKit Bugzilla: 238183
CVE-2022-26716: SorryMybad (@S0rryMybad) of Kunlun Lab
WebKit Bugzilla: 238699
CVE-2022-26719: Dongzhuo Zhao working with ADLab of Venustech

Additional recognition

WebKit
We would like to acknowledge James Lee, an anonymous researcher for
their assistance.

Safari 15.5 may be obtained from the Mac App Store.
All information is also posted on the Apple Security Updates
web site: https://support.apple.com/en-us/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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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
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===========================================================================
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