Bitcoin Core 31.0

Bitcoin Core version 31.0 is now available from: https://bitcoincore.org/bin/bitcoin-core-31.0/ For the release notes please see the git repository: https://github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-31.0.md Do not use the links provided by GitHub. Use…

Bitcoin Core 28.4

Bitcoin Core version 28.4 is now available from: https://bitcoincore.org/bin/bitcoin-core-28.4/ For the release notes please see the git repository: https://github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-28.4.md Do not use the links provided by GitHub. Use…

Bitcoin Core 29.3

Bitcoin Core version 29.3 is now available from: https://bitcoincore.org/bin/bitcoin-core-29.3/ For the release notes please see the git repository: https://github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-29.3.md Do not use the links provided by GitHub. Use…

Bitcoin Core 30.2

Bitcoin Core version 30.2 is now available from: https://bitcoincore.org/bin/bitcoin-core-30.2/ For the release notes please see the git repository: https://github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-30.2.md Do not use the links provided by GitHub, rat…

Bitcoin Core 30.1

Bitcoin Core version 30.1 is now available from: https://bitcoincore.org/bin/bitcoin-core-30.1/ For the release notes please see the git repository: https://github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-30.1.md Do not use the links provided by GitHub, rat…

Bitcoin Core 28.3

Bitcoin Core version 28.3 is now available from: https://bitcoincore.org/bin/bitcoin-core-28.3/ For the release notes please see the git repository: https://github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-28.3.md Do not use the links provided by GitHub. Ins…

Bitcoin Core v29.2

Bitcoin Core version 29.2 is now available from: https://bitcoincore.org/bin/bitcoin-core-29.2/ For the release notes please see the git repository: https://github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-29.2.md Do not use the links provided by GitHub. Ins…

Bitcoin Core 30.0

Bitcoin Core version 30.0 is now available from: https://bitcoincore.org/bin/bitcoin-core-30.0/ For the release notes please see the git repository: https://github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-30.0.md Do not use the links provided by GitHub, rat…

Bitcoin Core 29.1

Bitcoin Core version 29.1 is now available from: https://bitcoincore.org/bin/bitcoin-core-29.1/ For the release notes please see the git repository: https://github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-29.1.md Do not use the links provided by GitHub, rat…

Bitcoin Core 28.2

Bitcoin Core version 28.2 is now available from: https://bitcoincore.org/bin/bitcoin-core-28.2/ For the release notes please see the git repository: https://github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-28.2.md Do not use the links provided by GitHub, rat…

Bitcoin Core 29.0

Bitcoin Core version 29.0 is now available from: https://bitcoincore.org/bin/bitcoin-core-29.0/ For the release notes please see the git repository: https://github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-29.0.md Do not use the links provided by GitHub, rat…

Bitcoin Core 28.1

Bitcoin Core version 28.1 is now available from: https://bitcoincore.org/bin/bitcoin-core-28.1/ For the release notes please see the git repository: https://github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-28.1.md Do not use the links provided by GitHub, rat…

Bitcoin Core 27.2

Bitcoin Core version 27.2 is now available from: https://bitcoincore.org/bin/bitcoin-core-27.2/ For the release notes please see the git repository: https://github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-27.2.md Do not use the links provided by GitHub, rat…

Bitcoin Core 28.0

Bitcoin Core version 28.0 is now available from: https://bitcoincore.org/bin/bitcoin-core-28.0/ For the release notes please see the git repository: https://github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-28.0.md Do not use the links provided by GitHub, rat…

Bitcoin Core 26.2

Bitcoin Core version 26.2 is now available from: https://bitcoincore.org/bin/bitcoin-core-26.2/ For the release notes, please see the git repository: https://github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-26.2.md Do not use the links provided by GitHub. Us…

Bitcoin Core 27.1

Bitcoin Core version 27.1 is now available from: https://bitcoincore.org/bin/bitcoin-core-27.1/ For the release notes please see the git repository: https://github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-27.1.md Do not use the links provided by GitHub, rat…

Bitcoin Core 27.0

Bitcoin Core version 27.0 is now available from: https://bitcoincore.org/bin/bitcoin-core-27.0/ For the release notes please see the git repository: https://github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-27.0.md Do not use the links provided by GitHub, rat…

Bitcoin Core 25.2

Bitcoin Core version 25.2 is now available from: https://bitcoincore.org/bin/bitcoin-core-25.2/ For the release notes please see the git repository: https://github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-25.2.md Do not use the links provided by GitHub, rat…

Bitcoin Core 26.1

Bitcoin Core version 26.1 is now available from: https://bitcoincore.org/bin/bitcoin-core-26.1/ For the release notes please see the git repository: https://github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-26.1.md Do not use the links provided by GitHub, rat…

Bitcoin Core 26.0

Bitcoin Core version 26.0 is now available from: https://bitcoincore.org/bin/bitcoin-core-26.0/ For the release notes please see the git repository: https://github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-26.0.md Do not use the links provided by GitHub, rat…

Private Broadcast May Reveal Sender IP Address in Bitcoin Core 31.0

A privacy bug in Bitcoin Core 31.0's -privatebroadcast feature can leak the sender's IP address to the receiving peer. A fix will be included in 31.1.

CVE-2024-52911 - Script Interpreter Remote Crash

Bitcoin Core versions 0.14.0 to 29.0 (exclusive) have a vulnerability where validating a specially-crafted block may cause accessing previously freed memory, leading to a remote crash.

Bitcoin Core 31.0 released

Bitcoin Core 31.0 is now available for download. See the release notes for bug fixes and changes in this release.

Bitcoin Core 28.4 released

Bitcoin Core 28.4 is now available for download with bug fixes detailed in the release notes.

Bitcoin Core 29.3 released

Bitcoin Core 29.3 is now available for download with bug fixes detailed in the release notes.

Bitcoin Core 30.2 released

Bitcoin Core 30.2 is now available for download with bug fixes detailed in the release notes.

Wallet Migration Failure May Delete Unrelated Wallet Files in Bitcoin Core 30.0 and 30.1

A wallet migration bug introduced in Bitcoin Core 30.0 and 30.1 may, in rare cases, delete all files in the wallet directory when migration fails, potentially causing fund loss. Fix forthcoming.

Bitcoin Core 30.1 released

Bitcoin Core 30.1 is now available for download with bug fixes detailed in the release notes.

CVE-2025-46598 - CPU DoS from unconfirmed transaction processing

Resource exhaustion bug in unconfirmed transaction processing: an attacker could send specially-crafted unconfirmed transactions to exhaust victim CPU. Fixed in v30.0 (Oct 10 2025). Severity: Low.

CVE-2025-46597 - Highly unlikely remote crash on 32-bit systems

Disclosure of a 32-bit-only bug that may crash a node when receiving a pathological block in a rare edge case. Fixed in Bitcoin Core v30.0 (Oct 10 2025). Severity: Low.

CVE-2025-54604 - Disk filling from spoofed self connections

Log-filling bug allowing an attacker to fill victim node disk space by faking self-connections. Limited exploitability — would take a long time to exhaust disk.

CVE-2025-54605 - Disk filling from invalid blocks

Log-filling bug allowing an attacker to repeatedly send invalid blocks to fill victim node disk space. Limited exploitability — would take a long time.

Bitcoin Core 28.3 released

Bitcoin Core 28.3 is now available for download with bug fixes detailed in the release notes.

Bitcoin Core 29.2 released

Bitcoin Core 29.2 is now available for download with bug fixes detailed in the release notes.

Bitcoin Core 30.0 released

Bitcoin Core 30.0 is now available for download with bug fixes detailed in the release notes.

Bitcoin Core 29.1 released

Bitcoin Core 29.1 is now available for download with bug fixes detailed in the release notes.

Bitcoin Core 28.2 released

Bitcoin Core 28.2 is now available for download with bug fixes detailed in the release notes.

Bitcoin Core development and transaction relay policy

Bitcoin Core team shares its perspective on the relationship between Bitcoin Core development and network transaction relay policy, emphasizing user freedom in software choice.

CVE-2024-52919 - Remote crash due to addr message spam (part 2)

Integer overflow bug crashing a node continuously spammed with addr messages over a very long time (years). Fixed Apr 14 2025 in v29.0. Severity: Low.

Bitcoin Core 29.0 released

Bitcoin Core 29.0 is now available. With this major release, versions 26.x and older enter Maintenance End and will no longer receive updates.

Bitcoin Core 28.1 released

Bitcoin Core 28.1 is now available for download with bug fixes detailed in the release notes.

CVE-2024-52922 - Hindered block propagation due to stalling peers

Before Bitcoin Core v25.1, an attacker could prevent a node from downloading the latest block by stalling peer responses to header / compact-block messages. Severity: Medium.