CVSS Score of 10 (low)


Published Jul 3, 2023
Updated: Jul 17, 2023
CWE ID 401


CVE-2023-34451, also known as the CometBFT vulnerability, affects versions v0.37.0, v0.37.1, and v0.34.28 of the CometBFT repo2 software. The vulnerability allows for the mempool's list and map data structures to become unsynchronized, resulting in multiple copies of the same transaction being present in the list. Even if a duplicated transaction is later committed in a block, it cannot be removed from the list without restarting the node. This issue can lead to a large number of transactions getting stuck in the mempool, posing potential risks to organizations using CometBFT.


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