CVE-2020-27927: Apple iPadOS

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

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.0.1, iOS 14.2 and iPadOS 14.2, tvOS 14.2, watchOS 7.1. Processing a maliciously crafted font file 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)
• Apple tvOS: before 14.2 (fixed in 14.2)
• Apple watchOS: before 7.1 (fixed in 7.1)

Published 2020-12-08. Last modified 2026-06-17.