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CWE-456 - Missing Initialization of a Variable

CWE-456

  • Abstraction:
  • Variant
  • Structure:
  • Simple
  • Status:
  • Draft
Weakness Name

Missing Initialization of a Variable

Description

The product does not initialize critical variables, which causes the execution environment to use unexpected values.

Common Consequences

Scope: Integrity, Other

Impact: Unexpected State, Quality Degradation, Varies by Context

Notes: The uninitialized data may be invalid, causing logic errors within the program. In some cases, this could result in a security problem.

Related Weaknesses

CWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')High

CWE-665Improper InitializationMedium

CWE-909Missing Initialization of ResourceMedium

CWE-98Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion')High

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')High

CWE-457Use of Uninitialized VariableHigh

  • Release Date:
  • 2006-07-19
  • Latest Modification Date:
  • 2023-06-29

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