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Incorrect Pointer Scaling

CVE-2016-9843

High
9.8/10

Summary

The crc32_big function in crc32.c in zlib 1.2.0 through 1.2.8 might allow context-dependent attackers to have unspecified impact via vectors involving big-endian CRC calculation.

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

CWE-468 - Incorrect Pointer Scaling

In C and C++, one may often accidentally refer to the wrong memory due to the semantics of when math operations are implicitly scaled.

References

Advisory Timeline

  • Published