CWE-563—Assignment to Variable without Use

名称

Assignment to Variable without Use

描述

The variable's value is assigned but never used, making it a dead store.

After the assignment, the variable is either assigned another value or goes out of scope. It is likely that the variable is simply vestigial, but it is also possible that the unused variable points out a bug.

常见后果

范围：

Other

影响：

Quality Degradation, Varies by Context

注释：

This weakness could be an indication of a bug in the program or a deprecated variable that was not removed and is an indication of poor quality. This could lead to further bugs and the introduction of weaknesses.

相关 CWE

• CWE-1164Irrelevant Code