Apple this week released patches to address a handful of security vulnerabilities in macOS, iOS, and Safari.
Available for macOS High Sierra 10.13.4, Security Update 2018-001 addresses two vulnerabilities impacting Crash Reporter and LinkPresentation, respectively.
The first is a memory corruption issue that could allow an application to gain elevated privileges. Tracked as CVE-2018-4206, the security flaw was reported by Ian Beer of Google Project Zero. Apple addressed the bug with improved error handling.