About Apple security updates
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Apple security documents reference vulnerabilities by CVE-ID when possible.
Released October 27, 2016
IDE Xcode Server
Available for: OS X El Capitan v10.11.5 and later
Impact: A remote attacker may be able to cause unexpected application termination or arbitrary code execution
Description: Multiple issues existed in Node.js in Xcode Server. These issues were addressed by updating to Node.js version 4.5.0.