About the security content of Xcode 13

This document describes the security content of Xcode 13.

About Apple security updates

For our customers' protection, Apple doesn't disclose, discuss or confirm security issues until an investigation has taken place and patches or releases are available. Recent releases are listed on the Apple security updates page.

Apple security documents reference vulnerabilities by CVE-ID when possible.

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Xcode 13

Released 20 September 2021

IDE Xcode Server

Available for: macOS Big Sur 11.3 and later

Impact: Multiple issues in nginx

Description: Multiple issues were addressed by updating nginx to version 1.21.0.

CVE-2016-0742

CVE-2016-0746

CVE-2016-0747

CVE-2017-7529

CVE-2018-16843

CVE-2018-16844

CVE-2018-16845

CVE-2019-20372