CVE-2021-30746: Apple iPadOS

Medium severity, CVSS 5.5. EPSS: 1% chance of exploitation in the next 30 days.

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave, iOS 14.6 and iPadOS 14.6. Processing a maliciously crafted USD file may disclose memory contents.

Affected products

• Apple iPadOS: before 14.6 (fixed in 14.6)
• Apple iPhone OS: before 14.6 (fixed in 14.6)
• Apple Mac OS X: version 10.14.0 only; version 10.14.1 only; version 10.14.2 only; version 10.14.3 only; version 10.14.4 only; version 10.14.5 only; …
• Apple macOS: from 11.0.1, before 11.4 (fixed in 11.4)

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