CWE-457

• CWE ID
• 457

• CWE Name
• Use of Uninitialized Variable

• CWE Abstraction
• Variant

• CWE structure
• Simple

• CWE Status
• Draft

The code uses a variable that has not been initialized, leading to unpredictable or unintended results.

In some languages such as C and C++, stack variables are not initialized by default. They generally contain junk data with the contents of stack memory before the function was invoked. An attacker can sometimes control or read these contents. In other lan