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APPLE-SA-2016-07-18-5 Safari 9.1.2

Safari 9.1.2 is now available and addresses the following:

WebKit
Available for: OS X El Capitan v10.11.6
Impact: Visiting a malicious website may disclose image data from
another website
Description: A timing issue existed in the processing of SVG. This
issue was addressed through improved validation.
CVE-2016-4583 : Roeland Krak

WebKit
Available for: OS X El Capitan v10.11.6
Impact: Visiting a malicious website may lead to user interface
spoofing
Description: An origin inheritance issue existed in parsing of
about: URLs. This was addressed through improved validation of
security origins.
CVE-2016-4590 : xisigr of Tencent’s Xuanwu
Lab (www.tencent.com)

WebKit
Available for: OS X El Capitan v10.11.6
Impact: Visiting a maliciously crafted website may lead to arbitrary
code execution
Description: Multiple memory corruption issues were addressed
through improved memory handling.
CVE-2016-4586 : Apple
CVE-2016-4589 : Tongbo Luo and Bo Qu of Palo Alto Networks
CVE-2016-4622 : Samuel Gross working with Trend Micro’s Zero Day
Initiative
CVE-2016-4623 : Apple
CVE-2016-4624 : Apple

WebKit
Available for: OS X El Capitan v10.11.6
Impact: Visiting a maliciously crafted website may result in the
disclosure of process memory
Description: A memory initialization issue was addressed through
improved memory handling.
CVE-2016-4587 : Apple

WebKit
Available for: OS X El Capitan v10.11.6
Impact: Visiting a maliciously crafted webpage may lead to a system
denial of service
Description: A memory consumption issue was addressed through
improved memory handling.
CVE-2016-4592 : Mikhail

WebKit
Available for: OS X El Capitan v10.11.6
Impact: Visiting a maliciously crafted website may compromise user
information on the file system
Description: A permissions issue existed in the handling of the
location variable. This was addressed though additional ownership
checks.
CVE-2016-4591 : ma.la of LINE Corporation

WebKit JavaScript Bindings
Available for: OS X El Capitan v10.11.6
Impact: Visiting a maliciously crafted website may lead to script
execution in the context of a non-HTTP service
Description: A cross-protocol cross-site scripting (XPXSS) issue
existed in Safari when submitting forms to non-HTTP services
compatible with HTTP/0.9. This issue was addressed by disabling
scripts and plugins on resources loaded over HTTP/0.9.
CVE-2016-4651 : Obscure

WebKit Page Loading
Available for: OS X El Capitan v10.11.6
Impact: Visiting a maliciously crafted website may lead to arbitrary
code execution
Description: Multiple memory corruption issues were addressed
through improved memory handling.
CVE-2016-4584 : Chris Vienneau

WebKit Page Loading
Available for: OS X El Capitan v10.11.6
Impact: A malicious website may exfiltrate data cross-origin
Description: A cross-site scripting issue existed in Safari URL
redirection. This issue was addressed through improved URL validation
on redirection.
CVE-2016-4585 : Takeshi Terada of Mitsui Bussan Secure Directions,
Inc. (www.mbsd.jp)

Safari 9.1.2 may be obtained from the Mac App Store.

Information will also be posted to the Apple Security Updates
web site: http://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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