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Integer Overflow or Wraparound

CVE-2021-3476

Medium
5.3/10

Summary

A flaw was found in OpenEXR's B44 uncompression functionality in versions before 2.4.3 and 2.5.x before 2.5.4. An attacker who is able to submit a crafted file to OpenEXR could trigger shift overflows, potentially affecting application availability.

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

References

Advisory Timeline

  • Published