About the security content of macOS High Sierra 10.13.2 Supplemental Update

This document describes the security content of macOS High Sierra 10.13.2 Supplemental Update.

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macOS High Sierra 10.13.2 Supplemental Update

Released January 8, 2018

Available for: macOS High Sierra 10.13.2

Description: macOS High Sierra 10.13.2 Supplemental Update includes security improvements to Safari and WebKit to mitigate the effects of Spectre (CVE-2017-5753 and CVE-2017-5715).

We would like to acknowledge Jann Horn of Google Project Zero; and Paul Kocher in collaboration with Daniel Genkin of University of Pennsylvania and University of Maryland, Daniel Gruss of Graz University of Technology, Werner Haas of Cyberus Technology, Mike Hamburg of Rambus (Cryptography Research Division), Moritz Lipp of Graz University of Technology, Stefan Mangard of Graz University of Technology, Thomas Prescher of Cyberus Technology, Michael Schwarz of Graz University of Technology, and Yuval Yarom of University of Adelaide and Data61 for their assistance.

Installing macOS High Sierra 10.13.2 Supplemental Update will update Safari to version 11.0.2 (13604. or version 11.0.2 (13604.

To check the version of Safari installed on your Mac:

  1. Open Safari.
  2. Choose Safari > About Safari.

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