CVE-2021-30881: Apple iPadOS

High severity, CVSS 7.8. EPSS: 1.2% chance of exploitation in the next 30 days.

An input validation issue was addressed with improved memory handling. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, tvOS 15.1, watchOS 8.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. Unpacking a maliciously crafted archive may lead to arbitrary code execution.

Affected products

• Apple iPadOS: before 15.1 (fixed in 15.1)
• Apple iPhone OS: before 15.1 (fixed in 15.1)
• Apple Mac OS X: before 10.15.7 (fixed in 10.15.7); version 10.15.7 only
• Apple macOS: from 11.0, before 11.6.1 (fixed in 11.6.1); version 12.0 only
• Apple tvOS: before 15.1 (fixed in 15.1)
• Apple watchOS: before 8.1 (fixed in 8.1)

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