CVE-2025-47152
📋 TL;DR
An out-of-bounds read vulnerability in PDF-XChange Editor's EMF functionality allows attackers to read memory beyond intended boundaries via specially crafted EMF files. This could lead to sensitive information disclosure. Users of PDF-XChange Editor version 10.6.0.396 are affected.
💻 Affected Systems
- PDF-XChange Editor
📦 What is this software?
Pdf Xchange Editor by Pdf Xchange
⚠️ Risk & Real-World Impact
Worst Case
Memory disclosure revealing sensitive data like passwords, encryption keys, or other application secrets from process memory
Likely Case
Limited information disclosure from adjacent memory regions, potentially revealing file fragments or application data
If Mitigated
No impact if proper memory protections (ASLR, DEP) are enabled and the application is sandboxed
🎯 Exploit Status
Requires user to open a malicious EMF file, typically embedded in a PDF. No authentication bypass needed but requires user interaction.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 10.6.0.397 or later
Vendor Advisory: https://www.tracker-software.com/support/security-bulletins
Restart Required: No
Instructions:
1. Open PDF-XChange Editor. 2. Go to Help > Check for Updates. 3. Follow prompts to download and install latest version. 4. Verify version is 10.6.0.397 or higher.
🔧 Temporary Workarounds
Disable EMF file processing
WindowsConfigure PDF-XChange Editor to block or warn about EMF file processing
Use application sandboxing
WindowsRun PDF-XChange Editor in restricted mode or sandboxed environment
🧯 If You Can't Patch
- Restrict user permissions to prevent execution of untrusted files
- Implement application whitelisting to control which PDF editors can run
🔍 How to Verify
Check if Vulnerable:
Check Help > About in PDF-XChange Editor. If version is exactly 10.6.0.396, system is vulnerable.Check Version:
wmic product where "name like 'PDF-XChange Editor%'" get versionVerify Fix Applied:
Verify version is 10.6.0.397 or higher in Help > About dialog.📡 Detection & Monitoring
Log Indicators:
- Application crashes when processing EMF files
- Unusual memory access patterns in application logs
Network Indicators:
- Downloads of EMF files from untrusted sources
- File transfers containing embedded EMF content
SIEM Query:
source="windows" AND event_id=1000 AND process_name="PDFXEdit.exe" AND message="*EMF*"