Solidity Bug Info
Bug Name | Description | Severity |
---|---|---|
OptimizerStaleKnowledgeAboutSHA3The optimizer did not properly reset its knowledge about SHA3 operations resulting in some hashes (also used for storage variable positions) not being calculated correctly. | The optimizer performs symbolic execution in order to save re-evaluating expressions whose value is already known. This knowledge was not properly reset across control flow paths and thus the optimizer sometimes thought that the result of a SHA3 operation is already present on the stack. This could result in data corruption by accessing the wrong storage slot. - First Introduced: - Fixed in Version: 0.4.3 - Published: - Severity<: medium - Optimizer Used: true | medium |