CVE-2023-27937: Apple iPadOS

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

An integer overflow was addressed with improved input validation. This issue is fixed in macOS Ventura 13.3, iOS 16.4 and iPadOS 16.4, macOS Big Sur 11.7.5, macOS Monterey 12.6.4, tvOS 16.4, watchOS 9.4. Parsing a maliciously crafted plist may lead to an unexpected app termination or arbitrary code execution.

Affected products

• Apple iPadOS: before 16.4 (fixed in 16.4)
• Apple iPhone OS: before 16.4 (fixed in 16.4)
• Apple macOS: before 11.7.5 (fixed in 11.7.5); from 12.0, before 12.6.4 (fixed in 12.6.4); from 13.0, before 13.3 (fixed in 13.3)
• Apple tvOS: before 16.4 (fixed in 16.4)
• Apple watchOS: before 9.4 (fixed in 9.4)

Published 2023-05-08. Last modified 2026-06-17.