CVE-2021-30698: Apple iPadOS

High severity, CVSS 7.5. EPSS: 2.2% chance of exploitation in the next 30 days.

A null pointer dereference was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.4, Safari 14.1.1, iOS 14.6 and iPadOS 14.6. A remote attacker may be able to cause a denial of service.

Affected products

• Apple iPadOS: before 14.6 (fixed in 14.6)
• Apple iPhone OS: before 14.6 (fixed in 14.6)
• Apple macOS: from 11.0, before 11.4 (fixed in 11.4)
• Apple Safari: before 14.1.1 (fixed in 14.1.1)

Published 2021-09-08. Last modified 2026-06-17.