CVE-2025-43222
📋 TL;DR
A use-after-free vulnerability (CWE-416) in Apple operating systems allows attackers to cause unexpected application termination. This affects macOS and iPadOS users running vulnerable versions. Successful exploitation could lead to denial of service or potentially arbitrary code execution.
💻 Affected Systems
- macOS
- iPadOS
📦 What is this software?
Ipados by Apple
Macos by Apple
macOS is Apple's desktop and laptop operating system powering Mac computers used by millions of professionals, developers, creative professionals, and enterprise users worldwide. Built on a Unix foundation with the Darwin kernel and modern Cocoa frameworks, macOS delivers a seamless ecosystem integr...
Learn more about Macos →Macos by Apple
macOS is Apple's desktop and laptop operating system powering Mac computers used by millions of professionals, developers, creative professionals, and enterprise users worldwide. Built on a Unix foundation with the Darwin kernel and modern Cocoa frameworks, macOS delivers a seamless ecosystem integr...
Learn more about Macos →Macos by Apple
macOS is Apple's desktop and laptop operating system powering Mac computers used by millions of professionals, developers, creative professionals, and enterprise users worldwide. Built on a Unix foundation with the Darwin kernel and modern Cocoa frameworks, macOS delivers a seamless ecosystem integr...
Learn more about Macos →⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to full system compromise, data theft, or ransomware deployment
Likely Case
Application crashes causing denial of service and potential data loss
If Mitigated
Limited impact with proper patch management and application sandboxing
🎯 Exploit Status
Use-after-free vulnerabilities typically require specific memory manipulation techniques
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: macOS Sequoia 15.6, iPadOS 17.7.9, macOS Ventura 13.7.7, macOS Sonoma 14.7.7
Vendor Advisory: https://support.apple.com/en-us/124148
Restart Required: Yes
Instructions:
1. Open System Settings
2. Click General
3. Click Software Update
4. Install available updates
5. Restart when prompted
🔧 Temporary Workarounds
Application Sandboxing
macosEnsure applications run with minimal privileges using macOS sandboxing
Network Segmentation
allIsolate vulnerable systems from untrusted networks
🧯 If You Can't Patch
- Implement strict network access controls to limit exposure
- Deploy endpoint detection and response (EDR) solutions to monitor for exploitation attempts
🔍 How to Verify
Check if Vulnerable:
Check macOS version in System Settings > General > About or run 'sw_vers' in terminal
Check Version:
sw_vers
Verify Fix Applied:
Verify installed version matches or exceeds patched versions listed in advisory
📡 Detection & Monitoring
Log Indicators:
- Unexpected application crashes
- Memory access violation logs
- Kernel panic reports
Network Indicators:
- Unusual outbound connections following application crashes
SIEM Query:
source="macos_system_logs" AND (event="crash" OR event="panic") AND process="*"
🔗 References
- https://support.apple.com/en-us/124148
- https://support.apple.com/en-us/124149
- https://support.apple.com/en-us/124150
- https://support.apple.com/en-us/124151
- http://seclists.org/fulldisclosure/2025/Jul/31
- http://seclists.org/fulldisclosure/2025/Jul/32
- http://seclists.org/fulldisclosure/2025/Jul/33
- http://seclists.org/fulldisclosure/2025/Jul/34