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84 lines
2.6 KiB
Markdown
84 lines
2.6 KiB
Markdown
Bitcoin-Qt version 0.8.4 is now available from:
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http://sourceforge.net/projects/bitcoin/files/Bitcoin/bitcoin-0.8.4/
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This is a maintenance release to fix a critical bug and three
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security issues; we urge all users to upgrade.
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Please report bugs using the issue tracker at github:
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https://github.com/bitcoin/bitcoin/issues
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How to Upgrade
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--------------
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If you are running an older version, shut it down. Wait
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until it has completely shut down (which might take a few minutes for older
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versions), then run the installer (on Windows) or just copy over
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/Applications/Bitcoin-Qt (on Mac) or bitcoind/bitcoin-qt (on Linux).
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If you are upgrading from version 0.7.2 or earlier, the first time you
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run 0.8.4 your blockchain files will be re-indexed, which will take
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anywhere from 30 minutes to several hours, depending on the speed of
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your machine.
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0.8.4 Release notes
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===================
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Security issues
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---------------
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An attacker could send a series of messages that resulted in
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an integer division-by-zero error in the Bloom Filter handling
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code, causing the Bitcoin-Qt or bitcoind process to crash.
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Bloom filters were introduced with version 0.8, so versions 0.8.0
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through 0.8.3 are vulnerable to this critical denial-of-service attack.
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A constant-time algorithm is now used to check RPC password
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guess attempts; fixes https://github.com/bitcoin/bitcoin/issues/2838
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(CVE-2013-4165)
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Implement a better fix for the fill-memory-with-orphan-transactions
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attack that was fixed in 0.8.3. See
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https://bitslog.wordpress.com/2013/07/18/buggy-cve-2013-4627-patch-open-new-vectors-of-attack/
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for a description of the weaknesses of the previous fix.
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(CVE-2013-4627)
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Bugs fixed
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----------
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Fix multi-block reorg transaction resurrection.
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Fix non-standard disconnected transactions causing mempool orphans.
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This bug could cause nodes running with the -debug flag to crash.
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OSX: use 'FD_FULLSYNC' with LevelDB, which will (hopefully!)
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prevent the database corruption issues many people have
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experienced on OSX.
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Linux: clicking on bitcoin: links was broken if you were using
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a Gnome-based desktop.
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Fix a hang-at-shutdown bug that only affects users that compile
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their own version of Bitcoin against Boost versions 1.50-1.52.
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Other changes
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-------------
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Checkpoint at block 250,000 to speed up initial block downloads
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and make the progress indicator when downloading more accurate.
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Thanks to everybody who contributed to the 0.8.4 releases!
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----------------------------------------------------------
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Pieter Wuille
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Warren Togami
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Patrick Strateman
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pakt
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Gregory Maxwell
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Sergio Demian Lerner
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grayleonard
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Cory Fields
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Matt Corallo
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Gavin Andresen
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