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Weakness (CWE)

CWE-474: Use of Function with Inconsistent Implementations

Base Draft

The code uses a function that has inconsistent implementations across operating systems and versions.

More detail

The implementation of many functions varies by platform, and at times, even by different versions of the same platform. Implementation differences can include:

- Slight differences in the way parameters are interpreted, leading to inconsistent results.

- Some implementations of the function carry significant security risks.

- The function might not be defined on all platforms.

- The function might change which return codes it can provide, or change the meaning of its return codes.

How to prevent it (1 mitigation)

  1. Architecture and Design, Requirements

    Do not accept inconsistent behavior from the API specifications when the deviant behavior increases the risk level.

Source: MITRE CWE-474

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