CVE-2012-1909

NONECVSS 0.0
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 3%CVSS: —Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
—
EG Score
0.0(none)
EPSS
85.4%
KEV
Not listed

Published

August 6, 2012

Last Modified

April 29, 2026

References (14)

Data Freshness Timeline

(refreshed 9× in last 7d / 41× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-06 16:23 UTCEPSS rescore
  2. 2026-07-06 02:19 UTCEPSS rescore
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  1. 2026-06-18 17:49 UTCEPSS rescore
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  28. 2026-06-01 13:49 UTCEPSS rescore
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  33. 2026-05-29 13:41 UTCEPSS rescore
  34. 2026-05-29 03:38 UTCEG score recompute
  35. 2026-05-29 03:38 UTCGHSA enrichment
  36. 2026-05-28 13:42 UTCEPSS rescore
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  38. 2026-05-27 13:38 UTCEPSS rescore
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  45. 2026-05-24 16:43 UTCEPSS rescore
  46. 2026-05-22 21:15 UTCEPSS rescore
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  48. 2026-05-22 21:15 UTCEPSS rescore
  49. 2026-05-21 22:39 UTCEPSS rescore
  50. 2026-05-20 22:37 UTCEPSS rescore
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  56. 2026-05-18 21:29 UTCEPSS rescore
  57. 2026-05-18 21:29 UTCEPSS rescore

Frequently asked(4)

What is CVE-2012-1909?
CVE-2012-1909 is a none vulnerability published on August 6, 2012. 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…
When was CVE-2012-1909 disclosed?
CVE-2012-1909 was first published in the National Vulnerability Database on August 6, 2012, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2012-1909 actively exploited?
CVE-2012-1909 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 85.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2012-1909?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2012-1909, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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