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 identifier, which allows remote attackers to cause a denial of service (unspendable transaction) by leveraging the ability to create a duplicate coinbase transaction.
- EPSS
- 2.9% chance of exploitation in the next 30 days; higher than 87% of CVEs (scores of 2026-10-31)
- CWE
- CWE-16
- Published
- Modified
- Record from
- the NVD, synced
Affected
- bitcoin:bitcoin_core
- bitcoin:wxbitcoin
References
- http://r6.ca/blog/20120206T005236Z.html
- http://sourceforge.net/mailarchive/forum.php?thread_name=CAPg%2BsBhmGHnMResVxPDZdfpmWTb9uqD0RrQD7oSXBQq7oHpm8g%40mail.gmail.com&forum_name=bitcoin-development
- https://bitcointalk.org/index.php?topic=67738.0
- https://bugs.gentoo.org/show_bug.cgi?id=407793
- https://en.bitcoin.it/wiki/BIP_0030