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macOS High Sierra Supplemental Update includes security improvements to Safari and WebKit to mitigate the effects of Spectre.

What's New

Version 2018-001:
Crash Reporter
  • Impact: An application may be able to gain elevated privileges
  • Description: A memory corruption issue was addressed with improved error handling.
  • CVE-2018-4206: Ian Beer of Google Project Zero
  • Impact: Processing a maliciously crafted text message may lead to UI spoofing
  • Description: A


  • macOS 10.13.4

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macOS 10.13.4 Supplemental Update User Discussion

2 8


Current Version (2018-001.x)


Downloads 22,559
Version Downloads 178
License Free
Date 24 Apr 2018
Platform Intel 64 / OS X
Price Free
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