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             AUSCERT External Security Bulletin Redistribution

                               ESB-2021.2489
                    APPLE-SA-2021-07-21-7 Safari 14.1.2
                               22 July 2021

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

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

Product:           Safari
Publisher:         Apple
Operating System:  Mac OS
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-30797 CVE-2021-30795 CVE-2021-30758

Reference:         ESB-2021.2485.2

Original Bulletin: 
   https://support.apple.com/HT212606

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APPLE-SA-2021-07-21-7 Safari 14.1.2

Safari 14.1.2 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/HT212606.

WebKit
Available for: macOS Catalina and macOS Mojave
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: A type confusion issue was addressed with improved state
handling.
CVE-2021-30758: Christoph Guttandin of Media Codings

WebKit
Available for: macOS Catalina and macOS Mojave
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-2021-30795: Sergei Glazunov of Google Project Zero

WebKit
Available for: macOS Catalina and macOS Mojave
Impact: Processing maliciously crafted web content may lead to code
execution
Description: This issue was addressed with improved checks.
CVE-2021-30797: Ivan Fratric of Google Project Zero

Installation note:

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

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
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===========================================================================
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