About Apple security updates
For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security updates page.
For more information about security, see the Apple Product Security page. You can encrypt communications with Apple using the Apple Product Security PGP Key.
Apple security documents reference vulnerabilities by CVE-ID when possible.
Xcode 9.4.1
Released June 13, 2018
Git
Available for: macOS High Sierra 10.13.2 or later
Impact: Multiple issues in git, the most significant of which may lead to arbitrary code execution
Description: Multiple issues existed in git. These issues were addressed by updating git to version 2.15.2.
CVE-2018-11235: Etienne Stalmans
CVE-2018-11233