{"id":"CVE-2002-0794","aliases":["EUVD-2002-0786","GHSA-xw45-7j42-7mx4"],"status":"published","title":"The accept_filter mechanism in FreeBSD 4 through 4.5 does not properly remove entries from the...","description":"The accept_filter mechanism in FreeBSD 4 through 4.5 does not properly remove entries from the incomplete listen queue when adding a syncache, which allows remote attackers to cause a denial of service (network service availability) via a large number of connection attempts, which fills the queue.","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":"2026-11-08","score":0.01632,"percentile":0.7641,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2002-08-12T04:00:00Z","modified":"2026-06-16T21:58:08Z","products":[{"vendor":"freebsd","product":"freebsd"}],"references":[{"url":"http://www.iss.net/security_center/static/9209.php","tags":["vdb-entry","x_refsource_XF","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/4879","tags":["vdb-entry","x_refsource_BID","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.osvdb.org/5081","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://archives.neohapsis.com/archives/freebsd/2002-05/0349.html","tags":["vendor-advisory","x_refsource_FREEBSD","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2002-0794"},{"url":"https://github.com/advisories/GHSA-xw45-7j42-7mx4"}],"sources":{"cve":[{"id":"CVE-2002-0794","description":"The accept_filter mechanism in FreeBSD 4 through 4.5 does not properly remove entries from the incomplete listen queue when adding a syncache, which allows remote attackers to cause a denial of service (network service availability) via a large number of connection attempts, which fills the queue.","status":"published","published":"2003-04-02T05:00:00Z","modified":"2024-08-08T03:03:48.667Z","updated_at":"2026-11-02T14:33:55.642267Z"}],"euvd":[{"id":"EUVD-2002-0786","description":"The accept_filter mechanism in FreeBSD 4 through 4.5 does not properly remove entries from the incomplete listen queue when adding a syncache, which allows remote attackers to cause a denial of service (network service availability) via a large number of connection attempts, which fills the queue.","status":"published","published":"2003-04-02T05:00:00Z","modified":"2024-08-08T03:03:48Z","updated_at":"2026-11-03T01:14:59.095718Z"}],"ghsa":[{"id":"GHSA-xw45-7j42-7mx4","title":"The accept_filter mechanism in FreeBSD 4 through 4.5 does not properly remove entries from the...","description":"The accept_filter mechanism in FreeBSD 4 through 4.5 does not properly remove entries from the incomplete listen queue when adding a syncache, which allows remote attackers to cause a denial of service (network service availability) via a large number of connection attempts, which fills the queue.","status":"published","published":"2022-04-30T18:19:56Z","modified":"2023-01-30T05:05:37Z","updated_at":"2026-11-02T14:47:19.332628Z"}],"nvd":[{"id":"CVE-2002-0794","description":"The accept_filter mechanism in FreeBSD 4 through 4.5 does not properly remove entries from the incomplete listen queue when adding a syncache, which allows remote attackers to cause a denial of service (network service availability) via a large number of connection attempts, which fills the queue.","status":"published","published":"2002-08-12T04:00:00Z","modified":"2026-06-16T21:58:08.903Z","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":"2026-11-02T14:00:42.827505Z"}]}}