CVE-2025-55314
📋 TL;DR
This vulnerability in Foxit PDF software allows memory corruption when pages are deleted via JavaScript, potentially enabling arbitrary code execution. It affects Windows and macOS users running Foxit PDF Reader/Editor versions before 13.2 and 2025 before 2025.2.
💻 Affected Systems
- Foxit PDF Reader
- Foxit PDF Editor
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution with attacker gaining full control of the system through a malicious PDF file.
Likely Case
Application crashes and denial of service when processing specially crafted PDF documents.
If Mitigated
Limited to application crashes if memory corruption doesn't lead to code execution.
🎯 Exploit Status
Exploitation requires user interaction to open malicious PDF.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 13.2 or 2025.2
Vendor Advisory: https://www.foxit.com/support/security-bulletins.html
Restart Required: Yes
Instructions:
1. Open Foxit application
2. Go to Help > Check for Updates
3. Follow prompts to install latest version
4. Restart application
🔧 Temporary Workarounds
Disable JavaScript in Foxit
windowsPrevents JavaScript execution in PDF files, blocking the trigger mechanism
Open Foxit > File > Preferences > JavaScript > Uncheck 'Enable JavaScript'
Use alternative PDF viewer
allTemporarily use different PDF software until patched
🧯 If You Can't Patch
- Restrict PDF file sources to trusted locations only
- Implement application whitelisting to block Foxit execution
🔍 How to Verify
Check if Vulnerable:
Check Foxit version in Help > About. If version is below 13.2 or 2025.2, system is vulnerable.Check Version:
On Windows: wmic product where name like "Foxit%" get versionVerify Fix Applied:
Confirm version is 13.2 or higher (for version 13.x) or 2025.2 or higher (for version 2025.x).📡 Detection & Monitoring
Log Indicators:
- Application crash logs from Foxit processes
- Unexpected memory access errors in system logs
Network Indicators:
- Downloads of PDF files from untrusted sources
- PDF files with embedded JavaScript
SIEM Query:
source="*foxit*" AND (event_type="crash" OR error="memory" OR error="access_violation")