CVE-2016-1786: Apple iPhone OS

Medium severity, CVSS 5.4. EPSS: 1.2% chance of exploitation in the next 30 days.

The Page Loading implementation in WebKit in Apple iOS before 9.3 and Safari before 9.1 mishandles HTTP responses with a 3xx (aka redirection) status code, which allows remote attackers to spoof the displayed URL, bypass the Same Origin Policy, and obtain sensitive cached information via a crafted web site.

Affected products

• Apple iPhone OS: up to and including 9.2.1
• Apple Safari: up to and including 9.0.3

Published 2016-03-24. Last modified 2026-06-17.