CVE-2023-27946: Apple iPadOS

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

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Ventura 13.3, iOS 15.7.4 and iPadOS 15.7.4, macOS Monterey 12.6.4, macOS Big Sur 11.7.5. Processing a maliciously crafted file may lead to unexpected app termination or arbitrary code execution.

Affected products

• Apple iPadOS: before 15.7.4 (fixed in 15.7.4)
• Apple iPhone OS: before 15.7.4 (fixed in 15.7.4)
• Apple macOS: from 11.0, 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)

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