← LibraryTechnique entry
W3-INTEGER-OVERFLOWImpact
Integer Overflow / Underflow
Pre-Solidity 0.8 arithmetic without SafeMath wraps around — token balances overflow to huge values, or underflow to 2**256-1.
§ Where this technique fits
W3-INTEGER-OVERFLOW is catalogued under the Impact tactic of the offensive-security kill-chain. It appears in 0 approved dossiers in the registry, typically.