A critical bug fix was provided in an emergency release of Bitcoin 0.8.5 earlier this evening. On September 9, Bitcoin-Qt users with versions more recent than 0.8.0 were unable to start their software and received errors that their database was corrupt: coin database inconsistencies found Users were then prompted to reindex the block chain, a process that could take hours and was ineffective in resolving the inconsistencies. Bitcoin-Qt is the graphical version of the standard bitcoin client and the problem was later observed in Bitcoind, the command line version. Negative Transaction Version Numbers The problem was caused by an abnormal transaction …
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An upgrade to Bitcoin-qt was released today and consists of several security and bug fixes bundled for release as version 0.8.4. It is recommended that all users upgrade immediately, since the release of these fixes makes finding the vulnerabilities in older code trivial. Included in this release are three security updates as well as several small bug fixes that were causing the application to crash or databases to become corrupted. Denial of Service Fix Bitcoin-qt 0.8.0 introduced Bloom Filters which allow for more flexibility with respect to how much of the block chain must be downloaded. Bloom Filters are a …
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Sep 4, 2013
Posted
Featured, News, Security
Tagged Bitcoin, Bitcoin Qt, block, chain, protocol, transaction
Comments 3
In upcoming bitcoin news, TGB would like to remind all bitcoin-qt users to update their client to 0.8.1 before May 15th. On March 11th, there was a fork in the block chain: A bitcoin miner running version 0.8.0 created a large block (at height 225,430) that is incompatible with earlier versions of Bitcoin. The result was a block chain fork, with miners, merchants and users running the new version of bitcoin accepting, and building on, that block, and miners, merchants and users running older versions of bitcoin rejecting it and creating their own block chain. All pools running the 0.7 …
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