CVE-2012-1909

Medium

Description

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.

SeverityMedium
CVSS5.0
Exploit probability—
ProductBitcoin Core
PublishedAug 6, 2012
First seenAug 6, 2012

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
bitcoin bitcoin_coreNo range specified, v ≤ 0.4.4, 0.3.4, 0.3.5, 0.3.8, 0.3.10, 0.3.11, 0.3.12, 0.4.0, 0.4.1—
bitcoin wxbitcoinNo range specified—

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