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Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CVE-2021-40056

High
7.5/10

Summary

There is a vulnerability of copying input buffer without checking its size in the video framework. Successful exploitation of this vulnerability may affect availability.

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

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The program copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

References

Advisory Timeline

  • Published