{"id":"CVE-2004-0656","aliases":["DEBIAN-CVE-2004-0656","EUVD-2004-0655","GHSA-g7m6-w6x3-gg99"],"status":"published","title":"The accept_client function in PureFTPd 1.0.18 and earlier allows remote attackers to cause a...","description":"The accept_client function in PureFTPd 1.0.18 and earlier allows remote attackers to cause a denial of service by exceeding the maximum number of connections.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.02329,"percentile":0.83627,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2004-07-13T04:00:00Z","modified":"2026-10-21T15:47:29Z","exploits":[{"source":"nuclei","id":"CVE-2004-0656","title":"Pure-FTPd ≤ 1.0.18 - DoS via Connection Limit Exhaustion","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/network/cves/2004/CVE-2004-0656.yaml"}],"fixes":[{"ecosystem":"Debian:12","package":"pure-ftpd","fixed_in":["1.0.19-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"pure-ftpd","fixed_in":["1.0.19-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"pure-ftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.19-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"pure-ftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.19-1"}]}]}],"products":[{"vendor":"pureftpd","product":"pureftpd"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/16611","tags":["vdb-entry","x_refsource_XF","x_transferred","web"]},{"url":"http://www.pureftpd.org/","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://www.gentoo.org/security/en/glsa/glsa-200407-04.xml","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","Patch","Vendor Advisory","advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2004-0656"},{"url":"http://www.pureftpd.org"},{"url":"https://github.com/advisories/GHSA-g7m6-w6x3-gg99"},{"url":"https://security-tracker.debian.org/tracker/CVE-2004-0656","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2004-0656","description":"The accept_client function in PureFTPd 1.0.18 and earlier allows remote attackers to cause a denial of service by exceeding the maximum number of connections.","status":"published","published":"2004-07-13T04:00:00Z","modified":"2024-08-08T00:24:27.063Z","updated_at":"2026-11-02T14:34:54.758165Z"}],"euvd":[{"id":"EUVD-2004-0655","description":"The accept_client function in PureFTPd 1.0.18 and earlier allows remote attackers to cause a denial of service by exceeding the maximum number of connections.","status":"published","published":"2004-07-13T04:00:00Z","modified":"2024-08-08T00:24:27Z","updated_at":"2026-11-03T01:15:18.253357Z"}],"ghsa":[{"id":"GHSA-g7m6-w6x3-gg99","title":"The accept_client function in PureFTPd 1.0.18 and earlier allows remote attackers to cause a...","description":"The accept_client function in PureFTPd 1.0.18 and earlier allows remote attackers to cause a denial of service by exceeding the maximum number of connections.","status":"published","published":"2022-04-29T02:58:07Z","modified":"2025-04-03T04:00:23Z","updated_at":"2026-11-02T15:00:38.944477Z"}],"nvd":[{"id":"CVE-2004-0656","description":"The accept_client function in PureFTPd 1.0.18 and earlier allows remote attackers to cause a denial of service by exceeding the maximum number of connections.","status":"published","published":"2004-08-06T04:00:00Z","modified":"2026-06-16T22:06:06.27Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:00:51.000028Z"}],"osv":[{"id":"CVE-2004-0656","description":"The accept_client function in PureFTPd 1.0.18 and earlier allows remote attackers to cause a denial of service by exceeding the maximum number of connections.","status":"published","published":"2004-08-06T04:00:00Z","modified":"2026-04-10T03:35:51.893171Z","updated_at":"2026-11-02T15:43:56.315348Z"},{"id":"DEBIAN-CVE-2004-0656","description":"The accept_client function in PureFTPd 1.0.18 and earlier allows remote attackers to cause a denial of service by exceeding the maximum number of connections.","status":"published","published":"2004-08-06T04:00:00Z","modified":"2026-10-21T15:47:29.418204395Z","updated_at":"2026-11-02T15:45:22.55978Z"}]}}