CWE-1102: Reliance on Machine-Dependent Data Representation
The code uses a data representation that relies on low-level data representation or constructs that may vary across different processors, physical machines, OSes, or other physical components.
A kind of CWE-758 Reliance on Undefined, Unspecified, or Implementation-Defined Behavior.
From the CWE List. © The MITRE Corporation.