CWE-1126 - Declaration of Variable with Unnecessarily Wide Scope
- Abstraction:Base
- Structure:Simple
- Status:Incomplete
- Release Date:2019-01-03
- Latest Modification Date:2023-06-29
Weakness Name
Declaration of Variable with Unnecessarily Wide Scope
Description
The source code declares a variable in one scope, but the variable is only used within a narrower scope.
This issue makes it more difficult to understand and/or maintain the product, which indirectly affects security by making it more difficult or time-consuming to find and/or fix vulnerabilities. It also might make it easier to introduce vulnerabilities.
Common Consequences
Scope: Other
Impact: Reduce Maintainability
