CVE-2025-43224
📋 TL;DR
An out-of-bounds memory access vulnerability in Apple's media processing components allows attackers to cause denial of service or potentially execute arbitrary code by tricking users into opening malicious media files. This affects users of Apple's operating systems who process untrusted media content. The vulnerability is addressed in recent updates across Apple's ecosystem.
💻 Affected Systems
- visionOS
- tvOS
- macOS
- iOS
- 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 →Tvos by Apple
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to full system compromise if memory corruption can be weaponized into reliable exploit
Likely Case
Application crashes or denial of service when processing malicious media files
If Mitigated
Limited to application termination with proper sandboxing and memory protections
🎯 Exploit Status
Requires user interaction to open malicious media file. No public exploit code available at disclosure time.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: visionOS 2.6, tvOS 18.6, macOS Sequoia 15.6, iOS 18.6, iPadOS 18.6
Vendor Advisory: https://support.apple.com/en-us/124147
Restart Required: Yes
Instructions:
1. Open Settings app. 2. Navigate to General > Software Update. 3. Download and install available updates. 4. Restart device when prompted.
🔧 Temporary Workarounds
Restrict media file processing
allConfigure systems to only process media files from trusted sources
Application sandboxing
allEnsure media processing applications run with appropriate sandbox restrictions
🧯 If You Can't Patch
- Implement application allowlisting to restrict which applications can process media files
- Deploy network filtering to block suspicious media file downloads and email attachments
🔍 How to Verify
Check if Vulnerable:
Check system version against affected versions list. On macOS: System Settings > General > About. On iOS/iPadOS: Settings > General > About.Check Version:
macOS: sw_vers -productVersion. iOS/iPadOS: Settings > General > About > VersionVerify Fix Applied:
Confirm system version matches or exceeds patched versions: visionOS 2.6+, tvOS 18.6+, macOS Sequoia 15.6+, iOS 18.6+, iPadOS 18.6+📡 Detection & Monitoring
Log Indicators:
- Application crashes related to media processing
- Unexpected termination of media-related processes
- Memory access violation logs
Network Indicators:
- Unusual media file downloads from untrusted sources
- Spike in media file processing failures
SIEM Query:
source="*apple*" AND (event="crash" OR event="termination") AND process="*media*" OR file_extension IN ("mp4", "mov", "avi", "mp3")🔗 References
- https://support.apple.com/en-us/124147
- https://support.apple.com/en-us/124149
- https://support.apple.com/en-us/124153
- https://support.apple.com/en-us/124154
- http://seclists.org/fulldisclosure/2025/Jul/30
- http://seclists.org/fulldisclosure/2025/Jul/32
- http://seclists.org/fulldisclosure/2025/Jul/36
- http://seclists.org/fulldisclosure/2025/Jul/37
