CVE-2023-42449

Summary

CVE-2023-42449: A vulnerability was identified in the Hydra scalability solution for Cardano before version 0.13.0. Malicious head initializers could extract one or more Partial Tokens (PTs) due to incorrect data validation logic in the head token minting policy. This flaw allowed the attacker to lock other participants' committed funds or force them to pay a ransom to progress the head into the Open state by spoofing committed transactions with the extracted PTs. The issue has been addressed in version 0.13.0.

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