About the security content of Xcode 9.3

This document describes the security content of Xcode 9.3.

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Xcode 9.3

Released March 29, 2018


Available for: macOS High Sierra 10.13.2 or later

Impact: Multiple issues in llvm were addressed in this update

Description: Multiple issues were addressed by updating to version the current version of LLVM shipping with Xcode.

CVE-2018-4164: found by OSS-Fuzz

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