{"id":"CVE-2012-4684","aliases":["EUVD-2012-4609","GHSA-rc7m-hpcg-8c7c"],"status":"published","title":"The alert functionality in bitcoind and Bitcoin-Qt before 0.7.0 supports different character...","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.","severity":{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02857,"percentile":0.86831,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-399"],"published":"2013-03-12T10:00:00Z","modified":"2026-06-16T23:45:34Z","products":[{"vendor":"bitcoin","product":"bitcoin-qt"},{"vendor":"bitcoin","product":"bitcoin_core"},{"vendor":"bitcoin","product":"bitcoind"},{"vendor":"bitcoin","product":"wxbitcoin"}],"references":[{"url":"https://en.bitcoin.it/wiki/CVE-2012-4684","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://en.bitcoin.it/wiki/CVEs","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://bitcointalk.org/index.php?topic=8392.0","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://bitcointalk.org/index.php?topic=148109.0","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-4684"},{"url":"https://github.com/advisories/GHSA-rc7m-hpcg-8c7c"}],"sources":{"cve":[{"id":"CVE-2012-4684","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.","status":"published","published":"2013-03-12T10:00:00Z","modified":"2024-09-16T20:36:40.543Z","updated_at":"2026-11-02T14:34:51.269982Z"}],"euvd":[{"id":"EUVD-2012-4609","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.","status":"published","published":"2013-03-12T10:00:00Z","modified":"2024-09-16T20:36:40Z","updated_at":"2026-11-03T00:55:12.625541Z"}],"ghsa":[{"id":"GHSA-rc7m-hpcg-8c7c","title":"The alert functionality in bitcoind and Bitcoin-Qt before 0.7.0 supports different character...","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.","status":"published","published":"2022-05-13T01:27:54Z","modified":"2023-02-01T05:07:55Z","updated_at":"2026-11-02T14:50:38.356016Z"}],"nvd":[{"id":"CVE-2012-4684","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.","status":"published","published":"2013-03-12T11:28:18.313Z","modified":"2026-06-16T23:45:34.493Z","cvss":[{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:02:17.375282Z"}]}}