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Weakness

Singleton Class Instance Creation without Proper Locking or Synchronization

CWE-1096 · Variant · Incomplete

The product implements a Singleton design pattern but does not use appropriate locking or other synchronization mechanism to ensure that the singleton class is only instantiated once.

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Weakness Relationships

Where this weakness sits in the CWE hierarchy. Walk up to broader classes or down to more specific variants.
Parent of this (broader)
ChildOfCWE-662 · Improper Synchronization
ChildOfCWE-820 · Missing Synchronization
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