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Bitcoin Core discloses Tor traffic flaw that gave thousands of nodes trusted status

NewsFeeds update

Bitcoin Core disclosed a flaw where Tor traffic bundled with the software was treated as local, letting whitelisted nodes extend spam and privacy exemptions to outside nodes across thousands of nodes. A fix shipped in October 2025; a separate high-severity bug could stop mining nodes building valid blocks until restart, with no attacks reported.

BitcoinOdailyAINeutral

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The story so far: Bitcoin Core CVE-2025-62859 disclosure

Bitcoin Core disclosed CVE-2025-62859 on 10 November 2026, a medium-severity flaw in versions before 29.2 and 30.0 that lets a malicious node stall block processing. It has now also disclosed three other previously patched flaws, including a high-severity issue that could have stopped mining nodes producing block…

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  1. Bitcoin Core discloses medium-severity flaw, fix in versions 29.2 and 30.0

  2. Bitcoin Core discloses medium-severity bug that can stall block processing

  3. Bitcoin Core discloses three previously patched vulnerabilities

  4. Bitcoin Core discloses medium-severity flaw CVE-2025-62860

  5. Bitcoin Core discloses Tor traffic flaw that gave thousands of nodes trusted status

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Every Bitcoin update on NewsFeeds

Every update is a short rewrite, by AI in our own words, of a flash from the outlet named on it, credited and linked. Updates are joined into one story by AI; our editors can change a story’s name or take an update out. Not investment advice.