CVE-2022-32893: Apple iOS and macOS Out-of-Bounds Write Vulnerability

High severity, CVSS 8.8. Actively exploited: in CISA KEV since 2022-08-18. EPSS: 9.9% 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 iOS 15.6.1 and iPadOS 15.6.1, macOS Monterey 12.5.1, Safari 15.6.1. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

Affected products

• Apple iPadOS: before 15.6.1 (fixed in 15.6.1)
• Apple iPhone OS: before 15.6.1 (fixed in 15.6.1)
• Apple macOS: from 12.0, before 12.5.1 (fixed in 12.5.1)
• Apple Safari: before 15.6.1 (fixed in 15.6.1)
• Debian Debian Linux: version 10.0 only; version 11.0 only
• Fedoraproject Fedora: version 35 only; version 36 only
• WebKitGTK WebKitGTK: before 2.36.7 (fixed in 2.36.7)
• Wpewebkit Wpe Webkit: before 2.36.7 (fixed in 2.36.7)

Published 2022-08-24. Last modified 2026-06-17.