The bug affected versions 28.0–28.2 and 29.0–29.1; fixes were released in 2025
During a chain reorganization, vulnerable Bitcoin Core nodes could receive an invalid mempool and lose the ability to create block templates. The issue affected miners and pool operators running older versions of the software.
BeInCrypto reports that fixes were included in versions 30.0, 29.2 and 28.3. The vulnerability is related to the transaction eviction rule and was assigned CVE-2025-62861.
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