* [bitcoindev] Three Bitcoin Core security advisories
@ 2026-11-10 20:39 'Antoine Poinsot' via Bitcoin Development Mailing List
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From: 'Antoine Poinsot' via Bitcoin Development Mailing List @ 2026-11-10 20:39 UTC (permalink / raw)
To: Bitcoin Development Mailing List
Hi,
Following the pre-announcement from two weeks ago, we are publishing today the details of three
security vulnerabilities affecting Bitcoin Core.
Two of those are medium severity. One is high severity. All of them are fixed in Bitcoin Core 29.2
and later 29.x releases, and in 30.0 and all later versions.
- CVE-2025-62861 is a mempool inconsistency bug in reorg handling, which can be exploited to prevent a
miner from obtaining valid block templates. https://bitcoincore.org/en/2026/11/10/disclose-cve-2025-62861/
- CVE-2025-62860 is an incorrect application of whitelist privileges on inbound Tor connections which
can be exploited to DoS a node, or make it leak internal state. https://bitcoincore.org/en/2026/11/10/disclose-cve-2025-62860/
- CVE-2025-62859 is a misplaced witness malleation check, which lets a malicious peer stall block
processing. https://bitcoincore.org/en/2026/11/10/disclose-cve-2025-62859/
For more information about Bitcoin Core's security disclosure policy, or to consult past security
advisories, see https://bitcoincore.org/en/security-advisories/
Antoine Poinsot
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2026-11-10 20:39 [bitcoindev] Three Bitcoin Core security advisories 'Antoine Poinsot' via Bitcoin Development Mailing List
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