CVE-2015-3801: Apple iPhone OS

Medium severity, CVSS 5.0. EPSS: 2.2% chance of exploitation in the next 30 days.

The document.cookie API implementation in the CFNetwork Cookies subsystem in WebKit in Apple iOS before 9 allows remote attackers to bypass an intended single-cookie restriction via unspecified vectors.

Affected products

• Apple iPhone OS: up to and including 8.4.1
• Apple Safari: up to and including 8.0.8

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