CWE-460—Improper Cleanup on Thrown Exception

Weakness Name

Improper Cleanup on Thrown Exception

Description

The product does not clean up its state or incorrectly cleans up its state when an exception is thrown, leading to unexpected state or control flow.

Often, when functions or loops become complicated, some level of resource cleanup is needed throughout execution. Exceptions can disturb the flow of the code and prevent the necessary cleanup from happening.

Common Consequences

Scope:

Other

Impact:

Varies by Context

Notes:

The code could be left in a bad state.

Related Weaknesses

• CWE-459Incomplete Cleanup
• CWE-755Improper Handling of Exceptional ConditionsMedium