How severe is CVE-2012-4684?

CVE-2012-4684 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2012-4684 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-4684?

CVE-2012-4684 primarily affects Bitcoin Bitcoin-qt. In total, 43 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-4684?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2012-4684 published?

CVE-2012-4684 was published on 2013-03-12 and last updated on 2026-06-16.

CVE-2012-4684

CVE-2012-4684 is a high-severity vulnerability in Bitcoin Bitcoin-qt with a CVSS 2.0 base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-399.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Bitcoin Bitcoin-qt
Published: 2013-03-12
Last modified: 2026-06-16

Description

The alert functionality in bitcoind and Bitcoin-Qt before 0.7.0 supports different character representations of the same signature data, but relies on a hash of this signature, which allows remote attackers to cause a denial of service (resource consumption) via a valid modified signature for a circulating alert.

Frequently asked questions

What is CVE-2012-4684?: The alert functionality in bitcoind and Bitcoin-Qt before 0.7.0 supports different character representations of the same signature data, but relies on a hash of this signature, which allows remote attackers to cause a denial of service (resource consumption) via a valid modified signature for a circulating alert.
How severe is CVE-2012-4684?: CVE-2012-4684 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2012-4684 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-4684?: CVE-2012-4684 primarily affects Bitcoin Bitcoin-qt. In total, 43 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-4684?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2012-4684 published?: CVE-2012-4684 was published on 2013-03-12 and last updated on 2026-06-16.

References

Affected products (43)

cpe:2.3:a:bitcoin:bitcoin-qt:0.6.3:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.3.4:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.3.5:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.3.8:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.3.10:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.3.11:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.3.12:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.4.0:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.4.1:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.4.1:rc6:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.4.2:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.4.3:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.4.4:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.4.4:rc2:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.4.5:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.4.6:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.4.7:rc2:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.5.0:rc:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.5.3:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.5.3.1:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.5.4:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.5.5:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.5.6:rc2:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.6.0.1:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.6.0.2:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.6.0.3:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.6.0.4:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.6.0.5:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.6.0.6:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.6.0.7:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.6.0.8:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.6.1:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.6.2:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoind:0.6.3:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:wxbitcoin:0.3.4:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:wxbitcoin:0.3.5:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:wxbitcoin:0.3.8:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:wxbitcoin:0.3.10:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:wxbitcoin:0.3.11:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:wxbitcoin:0.4.0:*:*:*:*:*:*:*

More vulnerabilities in Bitcoin Bitcoin-qt

CVE-2013-2292 — High (CVSS 7.8): bitcoind and Bitcoin-Qt 0.8.0 and earlier allow remote attackers to cause a denial of service (electricity consumption)…
CVE-2016-10725 — High (CVSS 7.5): In Bitcoin Core before v0.13.0, a non-final alert is able to block the special "final alert" (which is supposed to…
CVE-2016-10724 — High (CVSS 7.5): Bitcoin Core before v0.13.0 allows denial of service (memory exhaustion) triggered by the remote network alert system…
CVE-2012-1910 — High (CVSS 7.5): Bitcoin-Qt 0.5.0.x before 0.5.0.5; 0.5.1.x, 0.5.2.x, and 0.5.3.x before 0.5.3.1; and 0.6.x before 0.6.0rc4 on Windows…
CVE-2013-3220 — Medium (CVSS 6.4): bitcoind and Bitcoin-Qt before 0.4.9rc2, 0.5.x before 0.5.8rc2, 0.6.x before 0.6.5rc2, and 0.7.x before 0.7.3rc2, and…
CVE-2013-5700 — Medium (CVSS 5.0): The Bloom Filter implementation in bitcoind and Bitcoin-Qt 0.8.x before 0.8.4rc1 allows remote attackers to cause a…

All CVEs affecting Bitcoin Bitcoin-qt →

Other CWE-399 (Resource Management Errors) vulnerabilities

CVE-2015-8104 — Critical (CVSS 10.0): The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a…
CVE-2015-0339 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0335 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0333 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2014-4121 — Critical (CVSS 10.0): Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly parse internationalized…
CVE-2014-0560 — Critical (CVSS 10.0): Use-after-free vulnerability in Adobe Reader and Acrobat 10.x before 10.1.12 and 11.x before 11.0.09 on Windows and OS…

Browse all CWE-399 (Resource Management Errors) vulnerabilities →