Vyper is a Pythonic smart contract language for the Ethereum virtual machine. Prior to version 0.3.8, due to missing overflow check for loop variables, by assigning the iterator of a loop to a variable, it is possible to overflow the type of the latter. The issue seems to happen only in loops of type `for i in range(a, a + N)` as in loops of type `for i in range(start, stop)` and `for i in range(stop)`, the compiler is able to raise a `TypeMismatch` when trying to overflow the variable. The problem has been patched in version 0.3.8.
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History
Fri, 24 Jan 2025 16:15:00 +0000
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Status: PUBLISHED
Assigner: GitHub_M
Published: 2023-05-11T20:55:35.195Z
Updated: 2025-01-24T15:57:47.118Z
Reserved: 2023-05-01T16:47:35.313Z
Link: CVE-2023-32058
Updated: 2024-08-02T15:03:28.671Z
Status : Modified
Published: 2023-05-11T21:15:10.397
Modified: 2025-01-24T16:15:34.267
Link: CVE-2023-32058
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