DCL35-CPP. Do not overload operator new in a different scope than operator delete

If you overload operator new in global scope, you should also overload operator delete in global scope. Likewise, overloading operator new in the scope of a class mandates the overloading of operator delete in the same class. Failure to overload operator delete will cause the global delete to be called to release a resource that was allocated with an overloaded operator new. Violation of this rule is likely to also violate MEM39-CPP. Resources allocated by memory allocation functions must be released using the corresponding memory deallocation function

Risk Assessment

Mismatched usage of new and delete could lead to a denial-of-service attack.

Automated Detection

Bibliography

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