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Case File

CVE-2023-32058

HIGH · CVSS 7.5 EPSS 0.91% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-05-11 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

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CVE
CVE-2023-32058
Severity
HIGH
CVSS
7.5
EPSS
0.91%

Original NVD Description

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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