CWE-1109—Use of Same Variable for Multiple Purposes
PUBLISHEDweakness record
released 2019-01-03 · last modified 2025-12-11
Metadata
- CWE ID：
- CWE-1109
- 摘要：
- Base
- 结构：
- Simple
- 状态：
- Incomplete
- 发布日期：
- 2019-01-03
- 更新日期：
- 2025-12-11
名称
Use of Same Variable for Multiple Purposes
描述
The code contains a callable, block, or other code element in which the same variable is used to control more than one unique task or store more than one instance of data.
常见后果
- 范围：
- Other
- 影响：
- Reduce Maintainability
- 注释：
- This issue makes it more difficult to 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.
- 范围：
- Other
- 影响：
- Increase Analytical Complexity
- 注释：
- Use of the same variable for multiple purposes can make it more difficult for a person to read or understand the code, potentially hiding other quality issues.