CVE-2015-3763: Apple iPhone OS

Medium severity, CVSS 4.3. EPSS: 1.5% chance of exploitation in the next 30 days.

Safari in Apple iOS before 8.4.1 does not limit the rate of JavaScript alert messages, which allows remote attackers to cause a denial of service (apparent browser locking) via a crafted web site.

Affected products

• Apple iPhone OS: up to and including 8.4

Published 2015-08-16. Last modified 2026-06-17.