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Vulnerability record · CVE-2011-4447 · published 6 August 2012

CVE-2011-4447: Bitcoin core vulnerability

Bitcoin · Bitcoin Core

The "encrypt wallet" feature in wxBitcoin and bitcoind 0.4.x before 0.4.1, and 0.5.0rc, does not properly interact with the deletion functionality of BSDDB, which allows context-dependent attackers to obtain unencrypted private keys from Bitcoin wallet files by bypassing the BSDDB interface and reading entries that are marked for deletion.

4.3 CVSS 2.0 Medium EPSS 1.6% · top 24.3% CWE-310 · CWE-310
4.3CVSS 2.0 base score
1.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
8References
16 Jun 2026Last modified by NVD

Description

The "encrypt wallet" feature in wxBitcoin and bitcoind 0.4.x before 0.4.1, and 0.5.0rc, does not properly interact with the deletion functionality of BSDDB, which allows context-dependent attackers to obtain unencrypted private keys from Bitcoin wallet files by bypassing the BSDDB interface and reading entries that are marked for deletion.

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

Affected products

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

References

LinkTags
http://bitcoin.org/releases/2011/11/21/v0.5.0.html
https://bitcointalk.org/index.php?topic=51474.0
https://bitcointalk.org/index.php?topic=51604.0
https://en.bitcoin.it/wiki/CVEs Vendor Advisory
http://bitcoin.org/releases/2011/11/21/v0.5.0.html
https://bitcointalk.org/index.php?topic=51474.0
https://bitcointalk.org/index.php?topic=51604.0
https://en.bitcoin.it/wiki/CVEs Vendor Advisory

Track CVE-2011-4447 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

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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-2025-54604Bitcoin core uncontrolled resource consumption vulnerabilityBitcoin Core through 29.0 allows Uncontrolled Resource Consumption (issue 1 of 2).EPSS 0.43%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-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%7.5CVE-2024-52912Bitcoin core integer overflow vulnerabilityBitcoin Core before 0.21.0 allows a network split that is resultant from an integer overflow (calculating the time offset for newly connecting peers)…EPSS 0.53%

Source: NIST National Vulnerability Database (record CVE-2011-4447), CISA KEV, FIRST EPSS (scores of 2026-10-14). This page is refreshed as NVD updates the record.