CVE-2011-3259: Apple Tv

Medium severity, CVSS 5.0. EPSS: 2.4% chance of exploitation in the next 30 days.

The kernel in Apple iOS before 5 and Apple TV before 4.4 does not properly recover memory allocated for incomplete TCP connections, which allows remote attackers to cause a denial of service (resource consumption) by making many connection attempts.

Affected products

• Apple Apple Tv: version 4.0 only; version 4.1 only; version 4.2 only; version 4.3 only
• 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; …

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