# Missing pagination for some functions that iterate Low/Info · Three Sigma · Hybrid orderbook DEX · 3rd April 2024 Finding 3S-Vertex-L14 of the Vertex security review. - Report: /reports/vertex - Source: https://github.com/0xsimao/audits/blob/main/Three%20Sigma/2024-04-03-vertex.pdf --- ### Description [ArbAirdrop::getClaimed()](https://github.com/vertex-protocol/vertex-contracts-3sigma-audit/blob/main/contracts/ArbAirdrop.sol#L91-L93) may revert after enough weeks have passed due to OOG. [BaseEngine::getHealthContribution()](https://github.com/vertex-protocol/vertex-contracts-3sigma-audit/blob/main/contracts/BaseEngine.sol#L120) may revert if enough productIds are set. ### Recommendation Add initial and final weeks arguments. ### Status Acknowledged Disclosed by 0xSimao (https://0xsimao.com/). --- Related findings: - [Missing several `safeERC20` functions](https://0xsimao.com/findings/beraborrow-i-several-safe-erc20-functions): Beraborrow Managed Dens