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1C

1C : Incorrect comparison with NULL in query

Classification

CWE
CWE-754

Overview

The application compares the object to NULL using = or <>. Comparison with NULL always returns FALSE (ЛОЖЬ), because in queries NULL is not equal anything.

References

  1. CWE-754: Improper Check for Unusual or Exceptional Conditions
  2. The right way to think about NULL
LOW

DerScanner Severity Score

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See also

1C

1C : Null encryption key

1C

1C : Memory leak

1C

1C : Empty encryption key