APPLE-SA-2021-05-03-4 macOS Big Sur 11.3.1

                							

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<h1 class="m-title">APPLE-SA-2021-05-03-4 macOS Big Sur 11.3.1</h1>
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<em>From</em>: Apple Product Security via Fulldisclosure &lt;fulldisclosure () seclists org&gt;


<em>Date</em>: Mon, 03 May 2021 14:57:31 -0700


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<pre style="margin: 0em;">-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

APPLE-SA-2021-05-03-4 macOS Big Sur 11.3.1

macOS Big Sur 11.3.1 addresses the following issues.
Information about the security content is also available at
<a rel="nofollow" href="https://support.apple.com/HT212335">https://support.apple.com/HT212335</a>.

WebKit
Available for: macOS Big Sur
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution. Apple is aware of a report that this issue
may have been actively exploited.
Description: A memory corruption issue was addressed with improved
state management.
CVE-2021-30665: yangkang (@dnpushme)&amp;zerokeeper&amp;bianliang of 360 ATA

WebKit
Available for: macOS Big Sur
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution. Apple is aware of a report that this issue
may have been actively exploited.
Description: An integer overflow was addressed with improved input
validation.
CVE-2021-30663: an anonymous researcher

Installation note:

This update may be obtained from the Mac App Store or
Apple's Software Downloads web site:
<a rel="nofollow" href="https://support.apple.com/downloads/">https://support.apple.com/downloads/</a>

Information will also be posted to the Apple Security Updates
web site: <a rel="nofollow" href="https://support.apple.com/kb/HT201222">https://support.apple.com/kb/HT201222</a>

This message is signed with Apple's Product Security PGP key,
and details are available at:
<a rel="nofollow" href="https://www.apple.com/support/security/pgp/">https://www.apple.com/support/security/pgp/</a>
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<h3 class="m-thread">Current thread:</h3>
<ul class="thread">
<li><strong>APPLE-SA-2021-05-03-4 macOS Big Sur 11.3.1</strong> <em>Apple Product Security via Fulldisclosure (May 04)</em>
</li></ul>


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