Bitcoin Core Crypto News
Bitcoin Core's Coverage Analysis
Bitcoin Core's official blog with technical updates, protocol improvements, and development news.
BTCCVE-2025-46598 - CPU DoS from unconfirmed transaction processing
Disclosure of the details of a resource exhaustion issue when processing an unconfirmed transaction.
BTCCVE-2025-54605 - Disk filling from invalid blocks
Disclosure of the details of a log-filling bug which allowed an attacker to cause a victim node tofill up its disk space by repeatedly sending invalid blocks.
BTCCVE-2025-46597 - Highly unlikely remote crash on 32-bit systems
Disclosure of the details of a bug on 32-bit systems which may, in a rare edge case, cause the nodeto crash when receiving a pathological block.
BTCCVE-2025-54604 - Disk filling from spoofed self connections
Disclosure of the details of a log-filling bug which allowed an attacker to fill up the disk spaceof a victim node by faking self-connections.
Bitcoin Core development and transaction relay policy
We’d like to share our view on the relationship between Bitcoin Core development and transaction relaypolicy on the network.