{"id":"CVE-2005-0876","aliases":["DEBIAN-CVE-2005-0876","EUVD-2005-0877","GHSA-cjw9-x64q-vcrq"],"status":"published","title":"Off-by-one buffer overflow in Dnsmasq before 2.21 may allow attackers to execute arbitrary code...","description":"Off-by-one buffer overflow in Dnsmasq before 2.21 may allow attackers to execute arbitrary code via the DHCP lease file.","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":0.02605,"percentile":0.85472,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2005-03-26T05:00:00Z","modified":"2026-10-23T03:47:39Z","fixes":[{"ecosystem":"Debian:12","package":"dnsmasq","fixed_in":["2.21"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"dnsmasq","fixed_in":["2.21"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"dnsmasq","fixed_in":["2.21"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"dnsmasq","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.21"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"dnsmasq","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.21"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"dnsmasq","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.21"}]}]}],"products":[{"vendor":"dnsmasq","product":"dnsmasq"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/19825","tags":["vdb-entry","x_refsource_XF","x_transferred","web"]},{"url":"http://secunia.com/advisories/14691","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Patch","Vendor Advisory","advisory","fix"]},{"url":"http://www.thekelleys.org.uk/dnsmasq/CHANGELOG","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://www.securityfocus.com/bid/12897","tags":["vdb-entry","x_refsource_BID","x_transferred","Patch","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2005-0876"},{"url":"https://github.com/advisories/GHSA-cjw9-x64q-vcrq"},{"url":"https://security-tracker.debian.org/tracker/CVE-2005-0876","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2005-0876","description":"Off-by-one buffer overflow in Dnsmasq before 2.21 may allow attackers to execute arbitrary code via the DHCP lease file.","status":"published","published":"2005-03-26T05:00:00Z","modified":"2024-08-07T21:28:28.694Z","updated_at":"2026-11-02T14:33:40.578358Z"}],"euvd":[{"id":"EUVD-2005-0877","description":"Off-by-one buffer overflow in Dnsmasq before 2.21 may allow attackers to execute arbitrary code via the DHCP lease file.","status":"published","published":"2005-03-26T05:00:00Z","modified":"2024-08-07T21:28:28Z","updated_at":"2026-11-03T01:15:36.335809Z"}],"ghsa":[{"id":"GHSA-cjw9-x64q-vcrq","title":"Off-by-one buffer overflow in Dnsmasq before 2.21 may allow attackers to execute arbitrary code...","description":"Off-by-one buffer overflow in Dnsmasq before 2.21 may allow attackers to execute arbitrary code via the DHCP lease file.","status":"published","published":"2022-05-01T01:52:44Z","modified":"2023-01-30T05:06:34Z","updated_at":"2026-11-02T14:47:31.480899Z"}],"nvd":[{"id":"CVE-2005-0876","description":"Off-by-one buffer overflow in Dnsmasq before 2.21 may allow attackers to execute arbitrary code via the DHCP lease file.","status":"published","published":"2005-05-02T04:00:00Z","modified":"2026-06-16T22:11:58.417Z","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":"2026-11-02T14:00:54.933728Z"}],"osv":[{"id":"CVE-2005-0876","description":"Off-by-one buffer overflow in Dnsmasq before 2.21 may allow attackers to execute arbitrary code via the DHCP lease file.","status":"published","published":"2005-05-02T04:00:00Z","modified":"2026-04-10T03:37:01.008475Z","updated_at":"2026-11-02T15:43:56.315348Z"},{"id":"DEBIAN-CVE-2005-0876","description":"Off-by-one buffer overflow in Dnsmasq before 2.21 may allow attackers to execute arbitrary code via the DHCP lease file.","status":"published","published":"2005-05-02T04:00:00Z","modified":"2026-10-23T03:47:39.641930492Z","updated_at":"2026-11-02T15:45:22.831407Z"}]}}