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Vulnerability record · CVE-2013-2273 · published 12 March 2013

CVE-2013-2273: Bitcoin-qt information exposure vulnerability

Bitcoin · Bitcoin Qt

bitcoind and Bitcoin-Qt before 0.4.9rc1, 0.5.x before 0.5.8rc1, 0.6.0 before 0.6.0.11rc1, 0.6.1 through 0.6.5 before 0.6.5rc1, and 0.7.x before 0.7.3rc1 make it easier for remote attackers to obtain potentially sensitive information about returned change by leveraging certain predictability in the outputs of a Bitcoin transaction.

5.0 CVSS 2.0 Medium EPSS 1.9% · top 21.0% CWE-200 · Information exposure
5.0CVSS 2.0 base score
1.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
2References
16 Jun 2026Last modified by NVD

Description

bitcoind and Bitcoin-Qt before 0.4.9rc1, 0.5.x before 0.5.8rc1, 0.6.0 before 0.6.0.11rc1, 0.6.1 through 0.6.5 before 0.6.5rc1, and 0.7.x before 0.7.3rc1 make it easier for remote attackers to obtain potentially sensitive information about returned change by leveraging certain predictability in the outputs of a Bitcoin transaction.

AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://en.bitcoin.it/wiki/CVEs
https://en.bitcoin.it/wiki/CVEs

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.8CVE-2012-4684Bitcoin-qt vulnerabilityThe alert functionality in bitcoind and Bitcoin-Qt before 0.7.0 supports different character representations of the same signature data, but relies o…EPSS 2.9%7.8CVE-2013-2292Bitcoin-qt vulnerabilitybitcoind and Bitcoin-Qt 0.8.0 and earlier allow remote attackers to cause a denial of service (electricity consumption) by mining a block to create a…EPSS 2.6%7.5CVE-2025-46597Bitcoin core integer overflow vulnerabilityBitcoin Core 0.13.0 through 29.x has an integer overflow.EPSS 0.28%7.5CVE-2025-54605Bitcoin core uncontrolled resource consumption vulnerabilityBitcoin Core through 29.0 allows Uncontrolled Resource Consumption (issue 2 of 2).EPSS 0.43%7.5CVE-2025-54604Bitcoin core uncontrolled resource consumption vulnerabilityBitcoin Core through 29.0 allows Uncontrolled Resource Consumption (issue 1 of 2).EPSS 0.43%7.5CVE-2024-52916Bitcoin core allocation without limits vulnerabilityBitcoin Core before 0.15.0 allows a denial of service (OOM kill of a daemon process) via a flood of minimum difficulty headers.EPSS 0.53%7.5CVE-2024-52914Bitcoin core allocation without limits vulnerabilityIn Bitcoin Core before 0.18.0, a node could be stalled for hours when processing the orphans of a crafted unconfirmed transaction.EPSS 0.53%7.5CVE-2024-52920Bitcoin core allocation without limits vulnerabilityBitcoin Core before 0.20.0 allows remote attackers to cause a denial of service (infinite loop) via a malformed GETDATA message.EPSS 0.63%

Source: NIST National Vulnerability Database (record CVE-2013-2273), CISA KEV, FIRST EPSS (scores of 2026-09-30). This page is refreshed as NVD updates the record.