CVE-2012-1909
Last modified
CVE-2012-1909 is a vulnerability of currently unknown severity. 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 estimates a 2.93% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Bitcoin | Bitcoin Core | All versions | — |
| Bitcoin | Bitcoin Core | <= 0.4.4 | Rc2 |
| Bitcoin | Bitcoin Core | 0.3.4 | — |
| Bitcoin | Bitcoin Core | 0.3.5 | — |
| Bitcoin | Bitcoin Core | 0.3.8 | — |
| Bitcoin | Bitcoin Core | 0.3.10 | — |
| Bitcoin | Bitcoin Core | 0.3.11 | — |
| Bitcoin | Bitcoin Core | 0.3.12 | — |
| Bitcoin | Bitcoin Core | 0.4.0 | — |
| Bitcoin | Bitcoin Core | 0.4.1 | — |
| Bitcoin | Wxbitcoin | All versions | — |
References
- https://en.bitcoin.it/wiki/BIP_0030Vendor Advisory
- https://en.bitcoin.it/wiki/CVEsVendor Advisory
- https://en.bitcoin.it/wiki/BIP_0030Vendor Advisory
- https://en.bitcoin.it/wiki/CVEsVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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