CVE-2025-57611
📋 TL;DR
A null pointer dereference vulnerability in rust-ffmpeg's dump() method allows attackers to cause denial of service by triggering a crash when memory allocation fails. This affects applications using rust-ffmpeg 0.3.0 after commit 5ac0527 for video processing. The vulnerability is triggered when the avfilter_graph_dump() function returns NULL.
💻 Affected Systems
- rust-ffmpeg
📦 What is this software?
Rust Ffmpeg by Meh.schizofreni
⚠️ Risk & Real-World Impact
Worst Case
Complete application crash leading to denial of service, potentially disrupting video processing services or applications relying on rust-ffmpeg functionality.
Likely Case
Application instability and crashes when processing malformed or complex video inputs that trigger memory allocation failures in the FFmpeg backend.
If Mitigated
Minimal impact with proper error handling and monitoring; crashes would be logged and services could be automatically restarted.
🎯 Exploit Status
Exploitation requires triggering memory allocation failures in the FFmpeg backend, which may be difficult to reliably achieve. The vulnerability is in a specific method that may not be widely used.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check GitHub issue for latest patched version
Vendor Advisory: https://github.com/meh/rust-ffmpeg/issues/192
Restart Required: No
Instructions:
1. Monitor the GitHub issue for patch release. 2. Update rust-ffmpeg dependency to patched version. 3. Rebuild and redeploy affected applications.
🔧 Temporary Workarounds
Disable dump() method usage
allAvoid calling the vulnerable dump() method in application code
Implement wrapper error handling
allAdd custom error handling around dump() method calls to catch and handle null pointer exceptions
🧯 If You Can't Patch
- Implement rate limiting on video processing to reduce impact of potential DoS attacks
- Deploy monitoring and automatic restart mechanisms for applications using rust-ffmpeg
🔍 How to Verify
Check if Vulnerable:
Check Cargo.toml or Cargo.lock for rust-ffmpeg version 0.3.0 and verify if code uses dump() methodCheck Version:
grep -r "rust-ffmpeg" Cargo.toml Cargo.lockVerify Fix Applied:
Update dependency and verify dump() method includes null pointer checks in source code📡 Detection & Monitoring
Log Indicators:
- Application crashes with segmentation faults
- Null pointer exception errors in logs
- FFmpeg-related process termination
Network Indicators:
- Unusual volume of video processing requests
- Repeated application restarts
SIEM Query:
process.name: "*ffmpeg*" AND (event.type: "crash" OR error.message: "*null*" OR error.message: "*segmentation fault*")