CVE-2018-4220

Severity: high (CVSS 8.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-06-08 · updated 2026-06-17
Weakness: CWE-732

Description

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

Swift Project Swift Corelib-Foundation: before 4.1.1 — fixed in 4.1.1

How to fix

Upgrade to a fixed version: Swift Project Swift Corelib-Foundation 4.1.1. Check the vendor advisory for mitigations.

References

http://www.securityfocus.com/bid/104085
https://support.apple.com/HT208804
http://www.securityfocus.com/bid/104085
https://support.apple.com/HT208804

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