CVE-2018-4329: Apple iPhone OS

High severity, CVSS 7.5. EPSS: 1.2% chance of exploitation in the next 30 days.

Clearing a history item may not clear visits with redirect chains. The issue was addressed with improved data deletion. This issue affected versions prior to iOS 12, Safari 12.

Affected products

• Apple iPhone OS: before 12.0 (fixed in 12.0)
• Apple Safari: before 12 (fixed in 12)

Published 2019-04-03. Last modified 2026-06-17.