CVE-2011-3246: Apple iPhone OS

Medium severity, CVSS 5.0. EPSS: 3% chance of exploitation in the next 30 days.

CFNetwork in Apple iOS before 5.0.1 and Mac OS X 10.7 before 10.7.2 does not properly parse URLs, which allows remote attackers to trigger visits to unintended web sites, and transmission of cookies to unintended web sites, via a crafted (1) http or (2) https URL.

Affected products

• Apple iPhone OS: version 3.0 only; version 3.1 only; version 3.1.2 only; version 3.1.3 only; version 3.2 only; version 3.2.1 only; …
• Apple Mac OS X: version 10.7.0 only; version 10.7.1 only
• Apple Mac OS X Server: version 10.7.0 only; version 10.7.1 only

Published 2011-10-14. Last modified 2026-06-16.