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Integer Overflow or Wraparound


Severity High
Score 9.8/10


MiniZip in zlib has an integer overflow and resultant heap-based buffer overflow in 'zipOpenNewFileInZip4_64' via a long 'filename', 'comment', or 'extra field'. NOTE: MiniZip is not a supported part of the zlib product.

  • LOW
  • HIGH
  • NONE
  • NONE
  • HIGH
  • HIGH

CWE-190 - Integer Overflow or Wraparound

The software performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control.

Advisory Timeline

  • Published