Gearbox
July 2023
Sigma Prime reviewed Gearbox v2 smart contracts across liquidation, accounting, and integration paths. This case study is useful for DeFi teams assessing solvency-sensitive contract reviews, especially where liquidation behavior and external integrations can affect user funds.
Executive summary
Sigma Prime reviewed Gearbox v2 smart contracts and protocol mechanics across liquidation, accounting, and integration pathways. The findings included several critical and high-severity issues affecting correctness and adversarial resilience, plus broader medium/low hardening work. The report provides concrete fixes to strengthen solvency-sensitive logic and reduce liquidation/manipulation risk surfaces.
By the numbers
Total findings
22
High + critical findings
8
What we reviewed
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Core v2 contracts
Primary Gearbox protocol contracts and supporting libraries in assessed scope.
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Liquidation and accounting logic
Risk-bearing pathways for liquidation outcomes and accounting consistency.
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Integration behavior
Interactions with integrated components and edge-case execution paths.
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