{"id":"CVE-2006-3122","aliases":["DEBIAN-CVE-2006-3122","DSA-1143-1","EUVD-2006-3119","GHSA-jgmg-r2qf-hx4v"],"status":"published","title":"The supersede_lease function in memory.c in ISC DHCP (dhcpd) server 2.0pl5 allows remote...","description":"The supersede_lease function in memory.c in ISC DHCP (dhcpd) server 2.0pl5 allows remote attackers to cause a denial of service (application crash) via a DHCPDISCOVER packet with a 32 byte client-identifier, which causes the packet to be interpreted as a corrupt uid and causes the server to exit with \"corrupt lease uid.\"","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":0.04017,"percentile":0.90639,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-399"],"published":"2006-08-04T00:00:00Z","modified":"2026-06-16T22:26:26Z","fixes":[{"ecosystem":"Debian:3.1","package":"dhcp","fixed_in":["2.0pl5-19.1sarge2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:3.1","package":"dhcp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0pl5-19.1sarge2"}]}],"versions":["2.0pl5-19.1"]}],"products":[{"vendor":"isc","product":"dhcpd"}],"references":[{"url":"http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=380273","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.debian.org/security/2006/dsa-1143","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Patch"]},{"url":"http://www.vupen.com/english/advisories/2006/3158","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Vendor Advisory"]},{"url":"http://secunia.com/advisories/21655","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://secunia.com/advisories/21363","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.openbsd.org/errata.html#dhcpd","tags":["vendor-advisory","x_refsource_OPENBSD","x_transferred"]},{"url":"http://www.securityfocus.com/bid/19348","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://secunia.com/advisories/21345","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Patch","Vendor Advisory"]},{"url":"http://securitytracker.com/id?1016755","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2006-3122"},{"url":"https://github.com/advisories/GHSA-jgmg-r2qf-hx4v"}],"sources":{"cve":[{"id":"CVE-2006-3122","description":"The supersede_lease function in memory.c in ISC DHCP (dhcpd) server 2.0pl5 allows remote attackers to cause a denial of service (application crash) via a DHCPDISCOVER packet with a 32 byte client-identifier, which causes the packet to be interpreted as a corrupt uid and causes the server to exit with \"corrupt lease uid.\"","status":"published","published":"2006-08-09T22:00:00Z","modified":"2024-08-07T18:16:05.842Z","updated_at":"2026-11-02T14:33:49.62488Z"}],"euvd":[{"id":"EUVD-2006-3119","description":"The supersede_lease function in memory.c in ISC DHCP (dhcpd) server 2.0pl5 allows remote attackers to cause a denial of service (application crash) via a DHCPDISCOVER packet with a 32 byte client-identifier, which causes the packet to be interpreted as a corrupt uid and causes the server to exit with \"corrupt lease uid.\"","status":"published","published":"2006-08-09T22:00:00Z","modified":"2024-08-07T18:16:05Z","updated_at":"2026-11-03T01:15:57.635752Z"}],"ghsa":[{"id":"GHSA-jgmg-r2qf-hx4v","title":"The supersede_lease function in memory.c in ISC DHCP (dhcpd) server 2.0pl5 allows remote...","description":"The supersede_lease function in memory.c in ISC DHCP (dhcpd) server 2.0pl5 allows remote attackers to cause a denial of service (application crash) via a DHCPDISCOVER packet with a 32 byte client-identifier, which causes the packet to be interpreted as a corrupt uid and causes the server to exit with \"corrupt lease uid.\"","status":"published","published":"2022-05-01T07:05:53Z","modified":"2023-01-31T05:01:40Z","updated_at":"2026-11-02T14:48:06.332577Z"}],"nvd":[{"id":"CVE-2006-3122","description":"The supersede_lease function in memory.c in ISC DHCP (dhcpd) server 2.0pl5 allows remote attackers to cause a denial of service (application crash) via a DHCPDISCOVER packet with a 32 byte client-identifier, which causes the packet to be interpreted as a corrupt uid and causes the server to exit with \"corrupt lease uid.\"","status":"published","published":"2006-08-09T22:04:00Z","modified":"2026-06-16T22:26:26.867Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:01:05.130518Z"}],"osv":[{"id":"DSA-1143-1","title":"dhcp - programming error","status":"published","published":"2006-08-04T00:00:00Z","modified":"2026-03-09T01:01:28.89599Z","updated_at":"2026-11-02T15:46:14.285228Z"}]}}