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EUVD-2026-31522

fkie_cve-2021-41122

Vyper is a Pythonic Smart Contract Language for the EVM. In affected versions external functions did not properly validate the bounds of decimal arguments. The can lead to logic errors. This issue has been resolved in version 0.3.0.

GHSA-c7pr-343r-5c46 — missing clamps for decimal args in external functions

Affected: PyPI: vyper

### Impact

The following code does not properly validate that its input is in bounds.

```python @external def foo(x: decimal) -> decimal: return x ```

### Patches 0.3.0 / #2447

### Workarounds Don't use decimal args

gsd-2021-41122

PYSEC-2021-366

Affected: PyPI: vyper