IndexPool._pow wrong loop and does not normalize values

Handle cmichel Vulnerability details The IndexPool.compute function is indented as if the if n % 2 != 0 output = output a; is inside the loop but there are actually not braces around it. It must be in the loop for the exponentiation by repeated squaring algorithm to work: function powuint256 a,...

RUSTSEC-2021-0041 Denial of service through parsing payloads with too big exponent

The parseduration::parse function allows for parsing duration strings with exponents like 5e5s where under the hood, the BigInt type along with the pow function are used for such payloads. Passing an arbitrarily big exponent makes the parseduration::parse function to process the payload for a ver...