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## pngout.md

      
        
          
            
              
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                mmmdzz
                / pngout.md
            
            
              Last active
              November 29, 2020 14:23
            
              
                Integer Overflow in PNGOUT
              
          
        
      
        
  
      
    Steps to reproduce the integer overflow in PNGOUT on linux and mac.
On 64-bits Ubuntu 18.04

Download the PoC file

$ wget https://github.com/mmmdzz/PoC/raw/main/crash.png

$ md5sum crash.png
c8d6bea2323af47ae947c55ab2802337  crash.png