CVE-2016-4708: Apple iPhone OS

Medium severity, CVSS 6.5. EPSS: 3.9% chance of exploitation in the next 30 days.

CFNetwork in Apple iOS before 10, OS X before 10.12, tvOS before 10, and watchOS before 3 misparses the Set-Cookie header, which allows remote attackers to obtain sensitive information via a crafted HTTP response.

Affected products

• Apple iPhone OS: before 10.0 (fixed in 10.0)
• Apple Mac OS X: before 10.12.0 (fixed in 10.12.0)
• Apple tvOS: before 10.0 (fixed in 10.0)
• Apple watchOS: before 3.0 (fixed in 3.0)

Published 2016-09-25. Last modified 2026-06-17.