CVE-2020-9897: Apple iPadOS

High severity, CVSS 7.8. EPSS: 0.9% chance of exploitation in the next 30 days.

An out-of-bounds write was addressed with improved input validation. This issue is fixed in iOS 14.2 and iPadOS 14.2, macOS Big Sur 11.0.1. Processing a maliciously crafted PDF may lead to arbitrary code execution.

Affected products

• Apple iPadOS: before 14.2 (fixed in 14.2)
• Apple iPhone OS: before 14.2 (fixed in 14.2)
• Apple macOS: before 11.0.1 (fixed in 11.0.1)

Published 2021-10-28. Last modified 2026-06-17.