CVE-2018-4220: Apple Swift

High severity, CVSS 8.8. EPSS: 2.2% chance of exploitation in the next 30 days.

An issue was discovered in certain Apple products. Swift before 4.1.1 Security Update 2018-001 is affected. The issue involves the "Swift for Ubuntu" component. It allows attackers to execute arbitrary code in a privileged context because write and execute permissions are enabled during library loading.

Affected products

• Apple Swift: before 4.1.1 (fixed in 4.1.1)

Published 2018-06-08. Last modified 2026-06-17.