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novacoin-project / novacoin

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zero cost mempool memory exhaustion exploit #258

Closed ghost closed 8 years ago

ghost commented 8 years ago

flying delorean transaction exploit fix (zero cost mempool memory exhaustion exploit)

https://github.com/ppcoin/ppcoin/pull/104

ghost commented 8 years ago

Please note I have purposely stuck 266 Transactions in the mempool to prove the vulnerability. They will expire in 6 days from today.

CryptoManiac commented 8 years ago

Nice catch, accepting such transactions doesn't make any sense because these cannot be confirmed until reaching specified time.