{"api_version":"1","generated_at":"2026-04-23T08:51:16+00:00","cve":"CVE-2019-14850","urls":{"html":"https://cve.report/CVE-2019-14850","api":"https://cve.report/api/cve/CVE-2019-14850.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2019-14850","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-14850"},"summary":{"title":"CVE-2019-14850","description":"A denial of service vulnerability was discovered in nbdkit 1.12.7, 1.14.1 and 1.15.1. An attacker could connect to the nbdkit service and cause it to perform a large amount of work in initializing backend plugins, by simply opening a connection to the service. This vulnerability could cause resource consumption and degradation of service in nbdkit, depending on the plugins configured on the server-side.","state":"PUBLIC","assigner":"secalert@redhat.com","published_at":"2021-03-18 19:15:00","updated_at":"2021-03-24 18:05:00"},"problem_types":["CWE-406"],"metrics":[],"references":[{"url":"https://www.redhat.com/archives/libguestfs/2019-September/msg00084.html","name":"https://www.redhat.com/archives/libguestfs/2019-September/msg00084.html","refsource":"MISC","tags":[],"title":"[Libguestfs] [NBDKIT SECURITY] Denial of Service / Amplification\tAttack","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1757258","name":"https://bugzilla.redhat.com/show_bug.cgi?id=1757258","refsource":"MISC","tags":[],"title":"1757258 – (CVE-2019-14850) CVE-2019-14850 nbdkit: denial of service due to premature opening of back-end connection","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-14850","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-14850","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2019","cve_id":"14850","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"nbdkit_project","cpe5":"nbdkit","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"14850","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux","cpe6":"8.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"14850","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux","cpe6":"8.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"advanced_virtualization","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"14850","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux_server","cpe6":"7.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"14850","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"redhat","cpe5":"virtualization","cpe6":"4.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2019-14850","qid":"377323","title":"Alibaba Cloud Linux Security Update for nbdkit (ALINUX2-SA-2020:0069)"}]},"source_records":{"cve_program":{"data_type":"CVE","data_format":"MITRE","data_version":"4.0","CVE_data_meta":{"ID":"CVE-2019-14850","ASSIGNER":"secalert@redhat.com","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"vendor_name":"n/a","product":{"product_data":[{"product_name":"nbdkit","version":{"version_data":[{"version_value":"nbdkit 1.12.7, nbdkit 1.14.1, nbdkit 1.15.1"}]}}]}}]}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-406"}]}]},"references":{"reference_data":[{"refsource":"MISC","name":"https://bugzilla.redhat.com/show_bug.cgi?id=1757258","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1757258"},{"refsource":"MISC","name":"https://www.redhat.com/archives/libguestfs/2019-September/msg00084.html","url":"https://www.redhat.com/archives/libguestfs/2019-September/msg00084.html"}]},"description":{"description_data":[{"lang":"eng","value":"A denial of service vulnerability was discovered in nbdkit 1.12.7, 1.14.1 and 1.15.1. An attacker could connect to the nbdkit service and cause it to perform a large amount of work in initializing backend plugins, by simply opening a connection to the service. This vulnerability could cause resource consumption and degradation of service in nbdkit, depending on the plugins configured on the server-side."}]}},"nvd":{"publishedDate":"2021-03-18 19:15:00","lastModifiedDate":"2021-03-24 18:05:00","problem_types":["CWE-406"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW","baseScore":3.7,"baseSeverity":"LOW"},"exploitabilityScore":2.2,"impactScore":1.4},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:H/Au:N/C:N/I:N/A:P","accessVector":"NETWORK","accessComplexity":"HIGH","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL","baseScore":2.6},"severity":"LOW","exploitabilityScore":4.9,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:nbdkit_project:nbdkit:*:*:*:*:*:*:*:*","versionStartIncluding":"1.15.0","versionEndExcluding":"1.15.1","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:nbdkit_project:nbdkit:*:*:*:*:*:*:*:*","versionStartIncluding":"1.14.0","versionEndExcluding":"1.14.1","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:nbdkit_project:nbdkit:*:*:*:*:*:*:*:*","versionEndExcluding":"1.12.7","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:advanced_virtualization:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2019","CveId":"14850","Ordinal":"154059","Title":"CVE-2019-14850","CVE":"CVE-2019-14850","Year":"2019"},"notes":[{"CveYear":"2019","CveId":"14850","Ordinal":"1","NoteData":"A denial of service vulnerability was discovered in nbdkit 1.12.7, 1.14.1 and 1.15.1. An attacker could connect to the nbdkit service and cause it to perform a large amount of work in initializing backend plugins, by simply opening a connection to the service. This vulnerability could cause resource consumption and degradation of service in nbdkit, depending on the plugins configured on the server-side.","Type":"Description","Title":null},{"CveYear":"2019","CveId":"14850","Ordinal":"2","NoteData":"2021-03-18","Type":"Other","Title":"Published"},{"CveYear":"2019","CveId":"14850","Ordinal":"3","NoteData":"2021-03-18","Type":"Other","Title":"Modified"}]}}}