High-risk vulnerability disclosed by Bitcoin Core: affected miners may fail to produce valid blocks after a chain reorganization

Odaily reports: Bitcoin News posted on X that Bitcoin Core has disclosed a high-risk vulnerability where affected miners may be unable to produce valid blocks after a chain reorganization occurs. The vulnerability is tracked as CVE-2025-62861 and affects Bitcoin Core versions 28.0 through 28.2 and 29.0 through 29.1. A fixed version was released in October 2025, and details of the vulnerability were made public today. Security researcher Niklas Goegge discovered the vulnerability.