About the security content of Safari 9.0.3

This document describes the security content of Safari 9.0.3.

For the protection of our customers, Apple does not disclose, discuss, or confirm security issues until a full investigation has occurred and any necessary patches or releases are available. To learn more about Apple Product Security, see the Apple Product Security website.

For information about the Apple Product Security PGP Key, see How to use the Apple Product Security PGP Key.

Where possible, CVE IDs are used to reference the vulnerabilities for further information.

To learn about other security updates, see Apple security updates.

Safari 9.0.3

• WebKit

  Available for: OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan v10.11.3

  Impact: Visiting a maliciously crafted website may lead to arbitrary code execution

  Description: Multiple memory corruption issues existed in WebKit. These issues were addressed through improved memory handling.

  CVE-ID

  CVE-2016-1723 : Apple

  CVE-2016-1724 : Apple

  CVE-2016-1725 : Apple

  CVE-2016-1726 : Apple

  CVE-2016-1727 : Apple

• WebKit CSS

  Available for: OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan v10.11.3

  Impact: Websites may know if the user has visited a given link

  Description: A privacy issue existed in the handling of the "a:visited button" CSS selector when evaluating the containing element's height. This was addressed through improved validation.

  CVE-ID

  CVE-2016-1728 : an anonymous researcher coordinated via Joe Vennix