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CVE-2012-1909

The Bitcoin protocol, as used in bitcoind before 0.4.4, wxBitcoin, Bitcoin-Qt, and other programs, does not properly handle multiple transactions with the same…

Impact

The Bitcoin protocol, as used in bitcoind before 0.4.4, wxBitcoin, Bitcoin-Qt, and other programs, does not properly handle multiple transactions with the same identifier, which allows remote attackers to cause a denial of service (unspendable transaction) by leveraging the ability to create a duplicate coinbase transaction.

Affected products

VendorProductAffected versions
BitcoinBitcoin Core
All versions
through 0.4.4
Versions 0.3.4, 0.3.5, 0.3.8, 0.3.10
BitcoinWxbitcoin
All versions

Weakness classification

CWE-16

References