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Difference between revisions of "Code Correctness: Erroneous finalize() Method"

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Revision as of 11:07, 23 September 2008

This is a Vulnerability. To view all vulnerabilities, please see the Vulnerability Category page.

This article includes content generously donated to OWASP by MicroFocus Logo.png

Last revision (mm/dd/yy): 09/23/2008

Vulnerabilities Table of Contents

ASDR Table of Contents

Description

This finalize() method does not call super.finalize().

The Java Language Specification states that it is a good practice for a finalize() method to call super.finalize().[1]
The statement above is not completely correct. The Java Language Specification 3.0 section 12.6.1 states: "This should always be done, unless it is the programmer's intent to nullify the actions of the finalizer in the superclass."

Risk Factors

TBD

Examples

The following method omits the call to super.finalize().

 protected void finalize() {
                discardNative();
 }

Related Attacks


Related Vulnerabilities


Related Controls

Related Technical Impacts


References

  • [1] J. Gosling, B. Joy, G. Steele, G. Bracha. The Java Language Specification, Second Edition. Addison-Wesley, 2000.