{"cve":"CVE-2012-4684","nvd":{"published":"2013-03-12T11:28:18.313","modified":"2026-06-16T23:45:34.493","status":"Modified","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.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-399"],"references":["https://bitcointalk.org/index.php?topic=148109.0","https://bitcointalk.org/index.php?topic=8392.0","https://en.bitcoin.it/wiki/CVE-2012-4684","https://en.bitcoin.it/wiki/CVEs","https://bitcointalk.org/index.php?topic=148109.0"],"products":["bitcoin:bitcoin-qt","bitcoin:bitcoin_core","bitcoin:bitcoind","bitcoin:wxbitcoin"],"source":"nvd","synced_at":"2026-10-19T20:27:27.940201468+00:00"},"epss":{"cve":"CVE-2012-4684","score":0.02857,"percentile":0.86741,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}