Integer Overflow Vulnerability

Vulnerability

An integer overflow vulnerability arises in smart contracts when a mathematical operation attempts to create a numeric value larger than the maximum capacity of the data type used to store it. This can cause the value to wrap around to a very small or negative number, leading to unintended and often exploitable behavior. Such vulnerabilities are critical in crypto derivatives, where calculations involving collateral, payouts, or token balances are common. They represent a significant security flaw.