CVE-2016-1858: Apple iPhone OS

Medium severity, CVSS 6.5. EPSS: 2.2% chance of exploitation in the next 30 days.

WebKit, as used in Apple iOS before 9.3.2, Safari before 9.1.1, and tvOS before 9.2.1, improperly tracks taint attributes, which allows remote attackers to obtain sensitive information via a crafted web site.

Affected products

• Apple iPhone OS: before 9.3.2 (fixed in 9.3.2)
• Apple Safari: before 9.1.1 (fixed in 9.1.1)
• Apple tvOS: before 9.2.1 (fixed in 9.2.1)
• WebKitGTK Webkitgtk+: before 2.12.0 (fixed in 2.12.0)

Published 2016-05-20. Last modified 2026-06-17.