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Apple Security Advisory 2021-07-21-7

Apple Security Advisory 2021-07-21-7
Posted Jul 23, 2021
Authored by Apple | Site apple.com

Apple Security Advisory 2021-07-21-7 - Safari 14.1.2 addresses code execution and use-after-free vulnerabilities.

tags | advisory, vulnerability, code execution
systems | apple
advisories | CVE-2021-30758, CVE-2021-30795, CVE-2021-30797
SHA-256 | 704085a2e819a5951d974f27a4837d1d8f0e0185d1faede3ed42513625d1eab2

Apple Security Advisory 2021-07-21-7

Change Mirror Download
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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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