About the security content of Xcode 12.0

This document describes the security content of Xcode 12.0.

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.

For more information about security, see the Apple Product Security page.

Xcode 12.0

IDE Device Support

Available for: macOS Catalina 10.15.4 and later

Impact: an attacker in a privileged network position may be able to execute arbitrary code on a paired device during a debug session over the network

Description: this issue was addressed by encrypting communications over the network to devices running iOS 14, iPadOS 14, tvOS 14 and watchOS 7.

CVE-2020-9992: Dany Lisiansky (@DanyL931), Nikias Bassen of Zimperium zLabs

Additional recognition

debugserver

We would like to acknowledge Linus Henze (pinauten.de) for their assistance.

lldb

We would like to acknowledge Linus Henze (pinauten.de) for their assistance.

LLVM

We would like to acknowledge Brandon Azad of Google Project Zero for their assistance.