A particular component of android used to generate secure random numbers was found to contain a critical weakness. This weakness renders all Android wallets generated to date vulnerable to theft. Some popular Android apps include Bitcoin Wallet, Bitcoin Spinner, blockchain.info wallet, and Mycelium Wallet. Any Android applications where you don’t control the private keys are […]
Anybody using Bitcon-Qt or bitcoind prior to version 0.8.0 must upgrade to version 0.8.0 or later before May 15, 2013 due to a bug in the old software. The bug will not affect existing bitcoins, but it will cause your client to become out of sync with the network and you will be unable to […]
A specific bitcoin miner who was running version 0.8.0 created a large block at height 225,430 which was incompatible with earlier versions of Bitcoin. This resulted in a block chain fork. A temporary fix is in place where large mining pools running version 0.8.0 have been asked to switch to 0.7.x to create a single […]
All versions of bitcoind and Bitcoin-Qt prior to 0.6.2 are prone to a denial-of-service vulnerability. The vulnerability could lead to an attacker isolating a victim’s node and create blockchain forks. Click the link for technical details and additional information.
There’s a possibility that the attacker would be able to issue remote code execution by crashing your Bitcoin-Qt process. If you are running a Windows version of Bitcoin-Qt 0.5 through 0.6, you’ll want to immediately shut it down and upgrade to 0.5.3.1 or 0.6rc4. Again, this only affects the listed versions of Bitcoin-Qt on Windows. […]
A change to the bitcoin protocol will take place on Feb 20th, 2012 at midnight. Back in June 2010, Bitcoin version 0.2.10 introduced a protocol change in which the ‘version’ messages exchanged by nodes at connection time would be given a new format. This new format includes checksum values to detect corruption by broken networks. […]