CVE-2021-1838: Apple iPadOS

High severity, CVSS 7.8. EPSS: 1.1% chance of exploitation in the next 30 days.

This issue was addressed with improved checks. This issue is fixed in iOS 14.4 and iPadOS 14.4. Processing a maliciously crafted image may lead to arbitrary code execution.

Affected products

• Apple iPadOS: before 14.4 (fixed in 14.4)
• Apple iPhone OS: before 14.4 (fixed in 14.4)

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