This article originally appeared in TidBITS on 2016-09-02 at 8:02 a.m.
The permanent URL for this article is: http://tidbits.com/article/16723
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Apple Issues Urgent Security Updates to OS X and Safari

by Josh Centers

Apple has issued three Mac security updates: Security Update 2016-001 El Capitan, Security Update 2016-005 Yosemite [1], and Safari 9.1.3 [2] for OS X 10.9.5 Mavericks and OS X 10.10.5 Yosemite. All three updates are related to the major vulnerabilities discovered in iOS by Citizen Lab and Lookout, as we reported in “iOS 9.3.5 Blocks Remote Jailbreak [3]” (25 August 2016). Due to the severity of these vulnerabilities, we encourage everyone to install these updates as soon as possible.

You can download the 414.9 MB Security Update 2016-001 [4] and the 468 MB Security Update 2016-005 [5] directly from Apple’s Web site, though it’s easier to install them via Software Update. Safari 9.1.3 is available only via Software Update.

[1]: https://support.apple.com/en-us/HT207130
[2]: https://support.apple.com/en-us/HT207131
[3]: http://tidbits.com/article/16709
[4]: https://support.apple.com/kb/DL1891
[5]: https://support.apple.com/kb/DL1890