{"id":"CVE-2022-30256","aliases":["DEBIAN-CVE-2022-30256","DLA-3457-1","DSA-5441-1","EUVD-2022-35461","GHSA-qqpw-wxfv-vfcg","UBUNTU-CVE-2022-30256","USN-6271-1"],"status":"published","title":"An issue was discovered in MaraDNS Deadwood through 3.5.0021 that allows variant V1 of unintended...","description":"An issue was discovered in MaraDNS Deadwood through 3.5.0021 that allows variant V1 of unintended domain name resolution. A revoked domain name can still be resolvable for a long time, including expired domains and taken-down malicious domains. The effects of an exploit would be widespread and highly impactful, because the exploitation conforms to de facto DNS specifications and operational practices, and overcomes current mitigation patches for \"Ghost\" domain names.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00968,"percentile":0.62061,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-672"],"published":"2022-11-18T00:00:00Z","modified":"2026-08-27T23:04:21Z","fixes":[{"ecosystem":"Debian:11","package":"maradns","fixed_in":["2.0.13-1.4+deb11u1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:16.04:LTS","package":"maradns","fixed_in":["2.0.13-1ubuntu0.1~esm1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:18.04:LTS","package":"maradns","fixed_in":["2.0.13-1.2ubuntu0.1~esm1"],"sources":["osv"]},{"ecosystem":"Ubuntu:20.04:LTS","package":"maradns","fixed_in":["2.0.13-1.4+deb11u1build0.20.04.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:22.04:LTS","package":"maradns","fixed_in":["2.0.13-1.4+deb11u1build0.22.04.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:11","package":"maradns","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.13-1.4+deb11u1"}]}],"versions":["2.0.13-1.4"]},{"source":"osv","ecosystem":"Debian:10","package":"maradns","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.13-1.2+deb10u1"}]}],"versions":["2.0.13-1.2"],"bundled":2},{"source":"osv","ecosystem":"Debian:11","package":"maradns","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.13-1.4+deb11u1"}]}],"versions":["2.0.13-1.4"],"bundled":2},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"maradns","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.13-1ubuntu0.1~esm1"}]}],"versions":["2.0.11-1","2.0.13-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"maradns","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.13-1.2ubuntu0.1~esm1"}]}],"versions":["2.0.13-1.2"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"maradns","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.13-1.4+deb11u1build0.20.04.1"}]}],"versions":["2.0.13-1.2build1","2.0.13-1.4","2.0.13-1.4build1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"maradns","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.13-1.4+deb11u1build0.22.04.1"}]}],"versions":["2.0.13-1.4build2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"maradns","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.13-1ubuntu0.1~esm1"}]}],"versions":["2.0.11-1","2.0.13-1"],"bundled":2},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"maradns","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.13-1.2ubuntu0.1~esm1"}]}],"versions":["2.0.13-1.2"],"bundled":2},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"maradns","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.13-1.4+deb11u1build0.20.04.1"}]}],"versions":["2.0.13-1.2build1","2.0.13-1.4","2.0.13-1.4build1"],"bundled":2},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"maradns","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.13-1.4+deb11u1build0.22.04.1"}]}],"versions":["2.0.13-1.4build2"],"bundled":2}],"products":[{"vendor":"maradns","product":"maradns"}],"references":[{"url":"https://maradns.samiam.org/","tags":["x_transferred","Product","Vendor Advisory","advisory","report"]},{"url":"https://maradns.samiam.org/security.html#CVE-2022-30256","tags":["x_transferred","Vendor Advisory","advisory","report"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NB7LDZM5AGWC5BHHQHW6CP5OFNBBKFOQ/","tags":["vendor-advisory","x_transferred","web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3VSMLJX25MXGQ6A7UPOGK7VPUVDESPHL/","tags":["vendor-advisory","x_transferred","web"]},{"url":"https://lists.debian.org/debian-lts-announce/2023/06/msg00019.html","tags":["mailing-list","x_transferred","web"]},{"url":"https://www.debian.org/security/2023/dsa-5441","tags":["vendor-advisory","x_transferred","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-30256"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3VSMLJX25MXGQ6A7UPOGK7VPUVDESPHL"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NB7LDZM5AGWC5BHHQHW6CP5OFNBBKFOQ"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3VSMLJX25MXGQ6A7UPOGK7VPUVDESPHL"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NB7LDZM5AGWC5BHHQHW6CP5OFNBBKFOQ"},{"url":"https://maradns.samiam.org"},{"url":"https://github.com/advisories/GHSA-qqpw-wxfv-vfcg"},{"url":"https://security-tracker.debian.org/tracker/CVE-2022-30256","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2022-30256","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-6271-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-30256","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2023-31137","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2022-30256","description":"An issue was discovered in MaraDNS Deadwood through 3.5.0021 that allows variant V1 of unintended domain name resolution. A revoked domain name can still be resolvable for a long time, including expired domains and taken-down malicious domains. The effects of an exploit would be widespread and highly impactful, because the exploitation conforms to de facto DNS specifications and operational practices, and overcomes current mitigation patches for \"Ghost\" domain names.","status":"published","published":"2022-11-18T00:00:00Z","modified":"2025-04-29T14:40:33.438Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"adp"}],"cwes":["CWE-672"],"updated_at":"2026-11-02T14:34:31.184134Z"}],"euvd":[{"id":"EUVD-2022-35461","description":"An issue was discovered in MaraDNS Deadwood through 3.5.0021 that allows variant V1 of unintended domain name resolution. A revoked domain name can still be resolvable for a long time, including expired domains and taken-down malicious domains. The effects of an exploit would be widespread and highly impactful, because the exploitation conforms to de facto DNS specifications and operational practices, and overcomes current mitigation patches for \"Ghost\" domain names.","status":"published","published":"2022-11-18T00:00:00Z","modified":"2025-04-29T14:40:33Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T20:52:00.974547Z"}],"ghsa":[{"id":"GHSA-qqpw-wxfv-vfcg","title":"An issue was discovered in MaraDNS Deadwood through 3.5.0021 that allows variant V1 of unintended...","description":"An issue was discovered in MaraDNS Deadwood through 3.5.0021 that allows variant V1 of unintended domain name resolution. A revoked domain name can still be resolvable for a long time, including expired domains and taken-down malicious domains. The effects of an exploit would be widespread and highly impactful, because the exploitation conforms to de facto DNS specifications and operational practices, and overcomes current mitigation patches for \"Ghost\" domain names.","status":"published","published":"2022-11-19T00:30:55Z","modified":"2025-04-29T15:32:19Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-672"],"updated_at":"2026-11-02T15:02:03.587511Z"}],"nvd":[{"id":"CVE-2022-30256","description":"An issue was discovered in MaraDNS Deadwood through 3.5.0021 that allows variant V1 of unintended domain name resolution. A revoked domain name can still be resolvable for a long time, including expired domains and taken-down malicious domains. The effects of an exploit would be widespread and highly impactful, because the exploitation conforms to de facto DNS specifications and operational practices, and overcomes current mitigation patches for \"Ghost\" domain names.","status":"published","published":"2022-11-19T00:15:10.497Z","modified":"2026-06-17T04:43:20.613Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-672"],"updated_at":"2026-11-02T14:07:32.395456Z"}],"osv":[{"id":"CVE-2022-30256","description":"An issue was discovered in MaraDNS Deadwood through 3.5.0021 that allows variant V1 of unintended domain name resolution. A revoked domain name can still be resolvable for a long time, including expired domains and taken-down malicious domains. The effects of an exploit would be widespread and highly impactful, because the exploitation conforms to de facto DNS specifications and operational practices, and overcomes current mitigation patches for \"Ghost\" domain names.","status":"published","published":"2022-11-19T00:15:10.497Z","modified":"2026-03-15T22:45:06.241289Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:25.516981Z"},{"id":"DEBIAN-CVE-2022-30256","description":"An issue was discovered in MaraDNS Deadwood through 3.5.0021 that allows variant V1 of unintended domain name resolution. A revoked domain name can still be resolvable for a long time, including expired domains and taken-down malicious domains. The effects of an exploit would be widespread and highly impactful, because the exploitation conforms to de facto DNS specifications and operational practices, and overcomes current mitigation patches for \"Ghost\" domain names.","status":"published","published":"2022-11-19T00:15:10.497Z","modified":"2026-08-27T23:04:21.418573978Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:45:36.969609Z"},{"id":"UBUNTU-CVE-2022-30256","description":"An issue was discovered in MaraDNS Deadwood through 3.5.0021 that allows variant V1 of unintended domain name resolution. A revoked domain name can still be resolvable for a long time, including expired domains and taken-down malicious domains. The effects of an exploit would be widespread and highly impactful, because the exploitation conforms to de facto DNS specifications and operational practices, and overcomes current mitigation patches for \"Ghost\" domain names.","status":"published","published":"2022-11-19T00:15:00Z","modified":"2026-02-04T03:20:53.140412Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T16:53:53.899276Z"},{"id":"DLA-3457-1","title":"maradns - security update","status":"published","published":"2023-06-19T00:00:00Z","modified":"2026-03-09T01:19:02.374002Z","updated_at":"2026-11-02T15:46:11.734021Z"},{"id":"DSA-5441-1","title":"maradns - security update","status":"published","published":"2023-06-29T00:00:00Z","modified":"2026-03-09T02:08:40.190626Z","updated_at":"2026-11-02T15:46:17.543497Z"},{"id":"USN-6271-1","title":"maradns vulnerabilities","description":"Xiang Li discovered that MaraDNS incorrectly handled certain inputs. If a\nuser or an automated system were tricked into opening a specially crafted\ninput file, a remote attacker could possibly use this issue to obtain\nsensitive information. (CVE-2022-30256)\n\nHuascar Tejeda discovered that MaraDNS incorrectly handled certain inputs. If\na user or an automated system were tricked into opening a specially crafted\ninput file, a remote attacker could possibly use this issue to cause a denial\nof service. (CVE-2023-31137)\n","status":"published","published":"2023-08-03T11:28:01Z","modified":"2026-06-25T13:32:14.338302401Z","updated_at":"2026-11-02T16:58:17.305935Z"}]}}