How severe is CVE-2013-4627?

CVE-2013-4627 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2013-4627 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-4627?

CVE-2013-4627 primarily affects Bitcoin Bitcoin Core. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-4627?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-4627 published?

CVE-2013-4627 was published on 2013-08-02 and last updated on 2026-06-16.

CVE-2013-4627

CVE-2013-4627 is a medium-severity vulnerability in Bitcoin Bitcoin Core with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Bitcoin Bitcoin Core
Published: 2013-08-02
Last modified: 2026-06-16

Description

Unspecified vulnerability in bitcoind and Bitcoin-Qt 0.8.x allows remote attackers to cause a denial of service (memory consumption) via a large amount of tx message data.

Frequently asked questions

What is CVE-2013-4627?: Unspecified vulnerability in bitcoind and Bitcoin-Qt 0.8.x allows remote attackers to cause a denial of service (memory consumption) via a large amount of tx message data.
How severe is CVE-2013-4627?: CVE-2013-4627 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2013-4627 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-4627?: CVE-2013-4627 primarily affects Bitcoin Bitcoin Core. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-4627?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-4627 published?: CVE-2013-4627 was published on 2013-08-02 and last updated on 2026-06-16.

References

https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures

Affected products (3)

cpe:2.3:a:bitcoin:bitcoin_core:0.8.0:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.8.0:rc1:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.8.1:*:*:*:*:*:*:*

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