Bitcoin Core fixes three flaws, including one that could halt block production
The most serious bug, CVE-2025-62861, could stop full nodes from preparing blocks; patches shipped in October 2025 releases.
Stories tagged nodes
The most serious bug, CVE-2025-62861, could stop full nodes from preparing blocks; patches shipped in October 2025 releases.
A report on the 2015–2017 block size conflict says full nodes, not hash rate, decide whether a rule change takes effect.