CVE-2013-2293

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.0% 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-399

Description

The CTransaction::FetchInputs method in bitcoind and Bitcoin-Qt before 0.8.0rc1 copies transactions from disk to memory without incrementally checking for spent prevouts, which allows remote attackers to cause a denial of service (disk I/O consumption) via a Bitcoin transaction with many inputs corresponding to many different parts of the stored block chain.

Affected products

Bitcoin-Qt: 0.4-rc4, 0.4.8-rc4, 0.5.0-rc1, 0.5.0.4, 0.5.1-rc1, 0.5.3.0 (+5)
Bitcoin Core: through 0.7.2; 0.3.4, 0.3.5, 0.3.8, 0.3.10, 0.3.11, 0.3.12 (+26)
Bitcoind: 0.4.4-rc4, 0.5.7, 0.6.0.0, 0.6.0.10-rc4, 0.6.3, 0.6.4-rc4 (+2)

References

https://bitcointalk.org/?topic=144122
https://en.bitcoin.it/wiki/CVE-2013-2293
https://en.bitcoin.it/wiki/CVEs
https://bitcointalk.org/?topic=144122
https://en.bitcoin.it/wiki/CVE-2013-2293
https://en.bitcoin.it/wiki/CVEs

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