CVE-2017-7083: Apple iPhone OS

Medium severity, CVSS 4.9. EPSS: 1.6% chance of exploitation in the next 30 days.

An issue was discovered in certain Apple products. iOS before 11 is affected. macOS before 10.13 is affected. tvOS before 11 is affected. watchOS before 4 is affected. The issue involves the "CFNetwork Proxies" component. It allows remote attackers to cause a denial of service.

Affected products

• Apple iPhone OS: up to and including 10.3.3
• Apple Mac OS X: up to and including 10.12.6
• Apple tvOS: up to and including 10.2.2
• Apple watchOS: up to and including 3.2.3

Published 2017-10-23. Last modified 2026-06-17.