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RedeemQueue::get() reverts due to underflow when it should revert and throw the correct error

Low/InfoMitosis audit·Three Sigma·Cross-chain liquidity layer 1·25th June, 20243S-Mitosis-N10

Description

RedeemQueue::get() reverts due to underflow if index_.count == 0 instead of the error IndexOutOfRange.

Recommendation

IndexOutOfRange(index._offset, index._count, idx);

Status

Addressed in #17568a7.

Source

Disclosed by 0xSimao · Sherlock's 2025 Watson of the Year · 21 first places in 57 audit contests