CVE-2025-47112
📋 TL;DR
This CVE describes an out-of-bounds read vulnerability in Adobe Acrobat Reader that could allow an attacker to read sensitive memory contents. If exploited, it could help bypass security mitigations like ASLR. Users who open malicious PDF files with affected versions are at risk.
💻 Affected Systems
- Adobe Acrobat Reader DC
- Adobe Acrobat Reader
📦 What is this software?
Acrobat by Adobe
Acrobat by Adobe
⚠️ Risk & Real-World Impact
Worst Case
Memory disclosure leading to ASLR bypass enabling more severe attacks like remote code execution
Likely Case
Information disclosure of memory contents, potentially revealing sensitive data
If Mitigated
Limited impact with proper security controls and user awareness
🎯 Exploit Status
Exploitation requires user interaction (opening malicious PDF) and knowledge of memory layout
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after those listed in affected versions
Vendor Advisory: https://helpx.adobe.com/security/products/acrobat/apsb25-57.html
Restart Required: Yes
Instructions:
1. Open Adobe Acrobat Reader
2. Go to Help > Check for Updates
3. Follow prompts to install latest version
4. Restart computer after installation
🔧 Temporary Workarounds
Disable JavaScript in PDFs
allPrevents JavaScript-based exploitation vectors
Edit > Preferences > JavaScript > Uncheck 'Enable JavaScript'
Use Protected View
allOpen untrusted PDFs in Protected View mode
File > Open > Select 'Protected View' option
🧯 If You Can't Patch
- Restrict PDF file opening to trusted sources only
- Implement application whitelisting to block Acrobat Reader execution
🔍 How to Verify
Check if Vulnerable:
Check Help > About Adobe Acrobat Reader and compare version to affected list
Check Version:
Windows: wmic product where name="Adobe Acrobat Reader DC" get version
macOS: /Applications/Adobe\ Acrobat\ Reader\ DC.app/Contents/Info.plist | grep -A1 CFBundleShortVersionString
Verify Fix Applied:
Verify version is newer than affected versions listed in advisory
📡 Detection & Monitoring
Log Indicators:
- Application crashes in Acrobat Reader
- Security event logs showing PDF file access
Network Indicators:
- PDF downloads from untrusted sources
- Email attachments with PDF files
SIEM Query:
source="*acrobat*" AND (event_type="crash" OR file_extension="pdf")