CVE detail
CVE-2012-1909 — CVE-2012-1909
Published 2012-08-06 · Modified 2026-06-16 · Vendor bitcoin · Product bitcoin_core · Source nvd
UNKNOWN
severity
CVSS-derived band
0.0293
EPSS probability
exploitation probability, 30d
86.0%
EPSS percentile
percentile vs all CVEs
NOT LISTED
CISA KEV
known exploited catalog
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.
Remediation
No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.
References