CVE-2013-2272

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-03-12 · updated 2026-06-16
Weakness: CWE-200

Description

The penny-flooding protection mechanism in the CTxMemPool::accept method in 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 allows remote attackers to determine associations between wallet addresses and IP addresses via a series of large Bitcoin transactions with insufficient fees.

Affected products

Bitcoin-Qt: through 0.4.8; 0.4-rc4, 0.5.0-rc1, 0.5.0.4, 0.5.1-rc1, 0.5.3.0, 0.5.7 (+5)
Bitcoin Core: 0.3.4, 0.3.5, 0.3.8, 0.3.10, 0.3.11, 0.3.12 (+26)
Bitcoind: through 0.4.4; 0.5.7, 0.6.0.0, 0.6.0.10-rc4, 0.6.3, 0.6.4-rc4, 0.7.0-rc1 (+2)

References

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