Bitcoin
Bitcoin (BTC) Core Discloses CVE-2025-62861 Bug That Could Halt Block Building
COINOTAG·November 11, 2026·1 min read
Bitcoin Core disclosed CVE-2025-62861 on November 10. The high-severity mempool bug affects versions 28.0 to 29.1 and could halt block building. A patch was released in October 2025. Users are urged to update to the latest version to protect their nodes.
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