mediumInteger overflow/underflowEVM-Solidity
PoolTogether: Silent overflow could alter computation when calculating the `vaultPortion` in the `PrizePool` contract
- Payout
- $0
- Protocol
- PoolTogether
- Disclosed
- Aug 7, 2026
- Source
- code4rena
The PrizePool contract in the PoolTogether V5 protocol contains an unsafe type conversion flaw that can lead to silent integer overflows. During the calculation of a vault's portion of prizes, contribution metrics returned as uint256 are cast to int256 without …
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References
- https://github.com/code-423n4/2023-07-pooltogether-findings/issues/243
- https://github.com/code-423n4/2023-07-pooltogether-findings
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