PT-2026-144860
CVE-2025-62859
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Published
2026-11-10
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Updated
2026-11-12
Description by
Score
N/A
Not availableNo severity ratings or metrics are available. When they are, we'll update the corresponding info on the page.
Name of the Vulnerable Software and Affected Versions
Bitcoin Core versions prior to 29.2
Bitcoin Core versions prior to 30.0
Description
An issue exists that could lead to a block processing stall caused by witness malleation. Witness malleation refers to the ability to change the witness data of a transaction without changing the transaction ID.
Recommendations
Update to version 29.2.
Update to version 30.0.
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