CVE-2025-24194
📋 TL;DR
This CVE describes a memory disclosure vulnerability in Apple's web content processing across multiple operating systems. An attacker can craft malicious web content that, when processed by affected systems, leaks process memory contents. This affects users of visionOS, iOS, iPadOS, tvOS, and macOS who access web content.
💻 Affected Systems
- visionOS
- iOS
- iPadOS
- tvOS
- macOS
📦 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
Sensitive information like passwords, encryption keys, or personal data could be extracted from process memory, potentially leading to account compromise or further attacks.
Likely Case
Limited memory disclosure that could reveal browsing history, session tokens, or other web-related data that could be used for targeted attacks.
If Mitigated
With proper web content filtering and updated systems, the risk is minimal as the vulnerability requires processing malicious web content.
🎯 Exploit Status
Exploitation requires crafting malicious web content and getting a user to process it. No public proof-of-concept has been disclosed at this time.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: visionOS 2.4, iOS 18.4 and iPadOS 18.4, tvOS 18.4, macOS Sequoia 15.4
Vendor Advisory: https://support.apple.com/en-us/122371
Restart Required: Yes
Instructions:
1. Open Settings app. 2. Navigate to General > Software Update. 3. Download and install the available update. 4. Restart the device when prompted.
🔧 Temporary Workarounds
Web Content Filtering
allImplement web content filtering to block malicious websites and content
Disable JavaScript
allDisable JavaScript in web browsers to reduce attack surface
🧯 If You Can't Patch
- Implement strict web content filtering and URL blocking
- Use application sandboxing and memory protection mechanisms
🔍 How to Verify
Check if Vulnerable:
Check the operating system version against affected versions listed in the advisoryCheck Version:
On macOS: sw_vers -productVersion. On iOS/iPadOS: Settings > General > About > VersionVerify Fix Applied:
Verify the system is running visionOS 2.4, iOS 18.4, iPadOS 18.4, tvOS 18.4, or macOS Sequoia 15.4 or later📡 Detection & Monitoring
Log Indicators:
- Unusual memory access patterns in process logs
- Web content processing errors
Network Indicators:
- Requests to known malicious domains serving web content
- Unusual outbound data transfers after web content processing
SIEM Query:
source="*apple*" AND (event="memory_access" OR event="web_content_processing") AND severity=HIGH🔗 References
- https://support.apple.com/en-us/122371
- https://support.apple.com/en-us/122373
- https://support.apple.com/en-us/122377
- https://support.apple.com/en-us/122378
- http://seclists.org/fulldisclosure/2025/Apr/11
- http://seclists.org/fulldisclosure/2025/Apr/12
- http://seclists.org/fulldisclosure/2025/Apr/13
- http://seclists.org/fulldisclosure/2025/Apr/4
- http://seclists.org/fulldisclosure/2025/Apr/8
