Memory Exposure in concat-stream
        
  Moderate severity
        
          GitHub Reviewed
      
        Published
          Jun 3, 2019 
          to the GitHub Advisory Database
          •
          Updated Jan 9, 2023 
      
  
Package
Affected versions
>= 1.5.0, < 1.5.2
      >= 1.4.0, < 1.4.11
      >= 1.3.0, < 1.3.2
  Patched versions
1.5.2
      1.4.11
      1.3.2
  Description
        Reviewed
      Jun 3, 2019 
    
  
        Published to the GitHub Advisory Database
      Jun 3, 2019 
    
  
        Last updated
      Jan 9, 2023 
    
  
Versions of
concat-streambefore 1.5.2 are vulnerable to memory exposure if userp provided input is passed intowrite()Versions <1.3.0 are not affected due to not using unguarded Buffer constructor.
Recommendation
Update to version 1.5.2, 1.4.11, 1.3.2 or later.
If you are unable to update make sure user provided input into the
write()function is not a number.References