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Test your applicationsThere is no fixed version for vyper
.
vyper is a Pythonic Smart Contract Language for the EVM.
Affected versions of this package are vulnerable to Improper Check or Handling of Exceptional Conditions due to a failure to verify the success flag of calls to the precompiles EcRecover (0x1)
and Identity (0x4)
. An attacker can exploit this by providing a specific amount of gas to intentionally make these calls fail while allowing the overall execution to continue.