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Integer Overflow or Wraparound

CVE-2021-3474

Severity Medium
Score 5.3/10

Summary

There's a flaw in OpenEXR in versions before 2.4.3 and 2.5.x before 2.5.4. A crafted input file that is processed by OpenEXR could cause a shift overflow in the FastHufDecoder, potentially leading to problems with application availability.

  • LOW
  • NETWORK
  • NONE
  • UNCHANGED
  • NONE
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  • NONE
  • LOW

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