CVE-2025-24216
📋 TL;DR
This CVE describes a memory handling vulnerability in Apple's Safari browser and related operating systems. Processing malicious web content could cause Safari to crash unexpectedly. Users of affected Apple devices and Safari versions are at risk.
💻 Affected Systems
- Safari
- visionOS
- tvOS
- iPadOS
- iOS
- macOS
📦 What is this software?
Ipados by Apple
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 →Safari by Apple
Tvos by Apple
⚠️ Risk & Real-World Impact
Worst Case
Denial of service through browser crashes, potentially disrupting user workflows or enabling further exploitation if combined with other vulnerabilities.
Likely Case
Temporary browser crashes when visiting malicious websites, causing inconvenience and potential data loss in unsaved forms.
If Mitigated
No impact if patched or if malicious content is blocked by security controls.
🎯 Exploit Status
Exploitation requires user interaction (visiting malicious website) but no authentication. Apple has addressed the issue, suggesting they consider it exploitable.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: visionOS 2.4, tvOS 18.4, iPadOS 17.7.6, iOS 18.4 and iPadOS 18.4, macOS Sequoia 15.4, Safari 18.4
Vendor Advisory: https://support.apple.com/en-us/122371
Restart Required: Yes
Instructions:
1. Open Settings/System Preferences. 2. Navigate to Software Update. 3. Install available updates for your device. 4. Restart device if prompted.
🔧 Temporary Workarounds
Disable JavaScript
allPrevents execution of malicious JavaScript that could trigger the vulnerability
Use Alternative Browser
allSwitch to a non-Safari browser until patches are applied
🧯 If You Can't Patch
- Implement web content filtering to block known malicious sites
- Educate users to avoid suspicious websites and links
🔍 How to Verify
Check if Vulnerable:
Check Safari/OS version against patched versions listed in fix_official.patch_versionCheck Version:
Safari: Safari → About Safari; macOS: System Settings → General → About; iOS/iPadOS: Settings → General → AboutVerify Fix Applied:
Confirm Safari/OS version matches or exceeds patched versions📡 Detection & Monitoring
Log Indicators:
- Safari crash logs
- Unexpected browser termination events
Network Indicators:
- Requests to known malicious domains that could host exploit code
SIEM Query:
source="*safari*" AND (event="crash" OR event="terminated")🔗 References
- https://support.apple.com/en-us/122371
- https://support.apple.com/en-us/122372
- https://support.apple.com/en-us/122373
- https://support.apple.com/en-us/122377
- https://support.apple.com/en-us/122378
- https://support.apple.com/en-us/122379
- 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/2
- http://seclists.org/fulldisclosure/2025/Apr/4
- http://seclists.org/fulldisclosure/2025/Apr/5
- http://seclists.org/fulldisclosure/2025/Apr/8
- https://lists.debian.org/debian-lts-announce/2025/06/msg00016.html
