CVE-2021-30760: Apple iPadOS

High severity, CVSS 7.8. EPSS: 1.3% chance of exploitation in the next 30 days.

An integer overflow was addressed through improved input validation. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-005 Mojave, Security Update 2021-004 Catalina. Processing a maliciously crafted font file may lead to arbitrary code execution.

Affected products

• Apple iPadOS: before 14.7 (fixed in 14.7)
• Apple iPhone OS: before 14.7 (fixed in 14.7)
• Apple Mac OS X: version 10.14 only; 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; …
• Apple macOS: from 11.0, before 11.5 (fixed in 11.5)
• Apple tvOS: before 14.7 (fixed in 14.7)
• Apple watchOS: before 7.6 (fixed in 7.6)

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