CVE-2025-61839
📋 TL;DR
Format Plugins versions 1.1.1 and earlier contain an out-of-bounds read vulnerability when parsing malicious files. An attacker could exploit this to execute arbitrary code with the current user's privileges. Users who open untrusted files with affected software are at risk.
💻 Affected Systems
- Adobe Format Plugins
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise via arbitrary code execution with user privileges, potentially leading to data theft, ransomware deployment, or lateral movement.
Likely Case
Local privilege escalation or malware execution when user opens a crafted malicious file, potentially leading to data exfiltration.
If Mitigated
Application crash or denial of service if memory protections prevent code execution, but information disclosure may still occur.
🎯 Exploit Status
Exploitation requires user interaction (opening malicious file). No public exploit code known at this time.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.1.2 or later
Vendor Advisory: https://helpx.adobe.com/security/products/formatplugins/apsb25-114.html
Restart Required: Yes
Instructions:
1. Download latest version from Adobe website. 2. Run installer. 3. Restart system. 4. Verify version is 1.1.2 or higher.
🔧 Temporary Workarounds
Disable vulnerable plugins
allTemporarily disable or remove Format Plugins until patched
Check Adobe documentation for plugin management
Restrict file types
allBlock execution of untrusted file types associated with Format Plugins
🧯 If You Can't Patch
- Implement application whitelisting to prevent execution of malicious code
- Use least privilege accounts and restrict user permissions
🔍 How to Verify
Check if Vulnerable:
Check Format Plugins version in Adobe application settings or About dialogCheck Version:
Check Adobe application interface for plugin version informationVerify Fix Applied:
Confirm version is 1.1.2 or higher after update📡 Detection & Monitoring
Log Indicators:
- Application crashes with memory access violations
- Unexpected file parsing errors
Network Indicators:
- Outbound connections after opening suspicious files
SIEM Query:
EventID=1000 OR EventID=1001 with Adobe Format Plugins in source