CVE-2015-5841: Apple iPhone OS

Medium severity, CVSS 5.0. EPSS: 1.7% chance of exploitation in the next 30 days.

The CFNetwork Proxies component in Apple iOS before 9 does not properly handle a Set-Cookie header within a response to an HTTP CONNECT request, which allows remote proxy servers to conduct cookie-injection attacks via a crafted response.

Affected products

• Apple iPhone OS: up to and including 8.4.1
• Apple Mac OS X: up to and including 10.10.5
• Apple watchOS: version 1.0 only

Published 2015-09-18. Last modified 2026-06-17.