CVE-2021-30993: Apple iPadOS

High severity, CVSS 8.1. EPSS: 2.3% chance of exploitation in the next 30 days.

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.1, watchOS 8.3, iOS 15.2 and iPadOS 15.2, tvOS 15.2. An attacker in a privileged network position may be able to execute arbitrary code.

Affected products

• Apple iPadOS: before 15.2 (fixed in 15.2)
• Apple iPhone OS: before 15.2 (fixed in 15.2)
• Apple macOS: from 12.0, before 12.1 (fixed in 12.1)
• Apple tvOS: before 15.2 (fixed in 15.2)
• Apple watchOS: before 8.3 (fixed in 8.3)

Published 2021-08-24. Last modified 2026-06-17.