CVE-2025-43385
📋 TL;DR
This CVE describes an out-of-bounds memory access vulnerability in Apple's media file processing components. Attackers can craft malicious media files that cause affected applications to crash or corrupt memory when processed. The vulnerability affects multiple Apple operating systems including iOS, iPadOS, macOS, tvOS, and visionOS.
💻 Affected Systems
- iOS
- iPadOS
- macOS
- tvOS
- visionOS
📦 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
Memory corruption could potentially lead to arbitrary code execution, though this would require additional exploitation techniques beyond the described vulnerability.
Likely Case
Application crashes (denial of service) when processing malicious media files, potentially causing data loss or service disruption.
If Mitigated
With proper patching, no impact as the vulnerability is fully addressed in updated versions.
🎯 Exploit Status
Exploitation requires user interaction to open a malicious media file. No public exploit code is currently available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: tvOS 26.1, macOS Tahoe 26.1, iOS 26.1, iPadOS 26.1, iOS 18.7.2, iPadOS 18.7.2, macOS Sequoia 15.7.2, visionOS 26.1
Vendor Advisory: https://support.apple.com/en-us/125632
Restart Required: Yes
Instructions:
1. Open Settings app. 2. Navigate to General > Software Update. 3. Download and install the latest available update. 4. Restart the device when prompted.
🔧 Temporary Workarounds
Disable automatic media processing
allConfigure applications to not automatically process media files from untrusted sources
User education
allTrain users to avoid opening media files from unknown or untrusted sources
🧯 If You Can't Patch
- Implement application control to restrict which applications can process media files
- Use network filtering to block suspicious media file downloads from untrusted sources
🔍 How to Verify
Check if Vulnerable:
Check current OS version against affected versions list. On Apple devices: Settings > General > About > Software VersionCheck Version:
On macOS: sw_vers. On iOS/iPadOS: Settings > General > About > Software VersionVerify Fix Applied:
Verify OS version matches or exceeds patched versions listed in the fix information📡 Detection & Monitoring
Log Indicators:
- Application crashes related to media processing
- Memory access violation errors in system logs
- Unexpected termination of media-related processes
Network Indicators:
- Unusual media file downloads from suspicious sources
- Multiple failed media processing attempts
SIEM Query:
source="apple_system_logs" AND (event="crash" OR event="memory_violation") AND process="*media*"