{"api_version":"1","generated_at":"2026-04-21T10:21:18+00:00","cve":"CVE-2019-9578","urls":{"html":"https://cve.report/CVE-2019-9578","api":"https://cve.report/api/cve/CVE-2019-9578.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2019-9578","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-9578"},"summary":{"title":"CVE-2019-9578","description":"In devs.c in Yubico libu2f-host before 1.1.8, the response to init is misparsed, leaking uninitialized stack memory back to the device.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2019-03-05 23:29:00","updated_at":"2023-11-07 03:13:00"},"problem_types":["CWE-908"],"metrics":[],"references":[{"url":"https://github.com/Yubico/libu2f-host/commit/e4bb58cc8b6202a421e65f8230217d8ae6e16eb5","name":"https://github.com/Yubico/libu2f-host/commit/e4bb58cc8b6202a421e65f8230217d8ae6e16eb5","refsource":"MISC","tags":["Patch","Third Party Advisory"],"title":"fix filling out of initresp · Yubico/libu2f-host@e4bb58c · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GMA4H6AZFYIR3LA5VKKEJZNCCIVMUCFQ/","name":"FEDORA-2019-4d83e78ad8","refsource":"","tags":[],"title":"[SECURITY] Fedora 29 Update: libu2f-host-1.1.8-1.fc29 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GMA4H6AZFYIR3LA5VKKEJZNCCIVMUCFQ/","name":"FEDORA-2019-4d83e78ad8","refsource":"FEDORA","tags":[],"title":"[SECURITY] Fedora 29 Update: libu2f-host-1.1.8-1.fc29 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00012.html","name":"openSUSE-SU-2019:1708","refsource":"SUSE","tags":[],"title":"[security-announce] openSUSE-SU-2019:1708-1: moderate: Security update f","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S4YCFMSNMXZ7XC4U6WXPQA7JCXC6VOAJ/","name":"FEDORA-2019-fe6d1fbffa","refsource":"","tags":[],"title":"[SECURITY] Fedora 30 Update: libu2f-host-1.1.8-1.fc30 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://developers.yubico.com/libu2f-host/Release_Notes.html","name":"https://developers.yubico.com/libu2f-host/Release_Notes.html","refsource":"MISC","tags":["Release Notes","Vendor Advisory"],"title":"Release Notes","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://security.gentoo.org/glsa/202004-15","name":"GLSA-202004-15","refsource":"GENTOO","tags":[],"title":"libu2f-host: Multiple vulnerabilities (GLSA 202004-15) — Gentoo security","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00018.html","name":"openSUSE-SU-2019:1725","refsource":"SUSE","tags":[],"title":"[security-announce] openSUSE-SU-2019:1725-1: moderate: Security update f","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://blog.inhq.net/posts/yubico-libu2f-host-vuln-part2/","name":"https://blog.inhq.net/posts/yubico-libu2f-host-vuln-part2/","refsource":"MISC","tags":[],"title":"Yubico libu2f-host vulnerability - part two | invd blog","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/S4YCFMSNMXZ7XC4U6WXPQA7JCXC6VOAJ/","name":"FEDORA-2019-fe6d1fbffa","refsource":"FEDORA","tags":[],"title":"[SECURITY] Fedora 30 Update: libu2f-host-1.1.8-1.fc30 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-9578","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-9578","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2019","cve_id":"9578","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"yubico","cpe5":"libu2f-host","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"9578","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"yubico","cpe5":"libu2f-host","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2019-9578","qid":"750033","title":"SUSE Enterprise Linux Security Update for libu2f-host (SUSE-SU-2021:1755-1)"},{"cve":"CVE-2019-9578","qid":"750189","title":"OpenSUSE Security Update for libu2f-host (openSUSE-SU-2021:0799-1)"},{"cve":"CVE-2019-9578","qid":"750805","title":"OpenSUSE Security Update for libu2f-host (openSUSE-SU-2021:1755-1)"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2019-9578","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"In devs.c in Yubico libu2f-host before 1.1.8, the response to init is misparsed, leaking uninitialized stack memory back to the device."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"https://developers.yubico.com/libu2f-host/Release_Notes.html","refsource":"MISC","url":"https://developers.yubico.com/libu2f-host/Release_Notes.html"},{"name":"https://github.com/Yubico/libu2f-host/commit/e4bb58cc8b6202a421e65f8230217d8ae6e16eb5","refsource":"MISC","url":"https://github.com/Yubico/libu2f-host/commit/e4bb58cc8b6202a421e65f8230217d8ae6e16eb5"},{"refsource":"FEDORA","name":"FEDORA-2019-fe6d1fbffa","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/S4YCFMSNMXZ7XC4U6WXPQA7JCXC6VOAJ/"},{"refsource":"FEDORA","name":"FEDORA-2019-4d83e78ad8","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GMA4H6AZFYIR3LA5VKKEJZNCCIVMUCFQ/"},{"refsource":"SUSE","name":"openSUSE-SU-2019:1708","url":"http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00012.html"},{"refsource":"SUSE","name":"openSUSE-SU-2019:1725","url":"http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00018.html"},{"refsource":"MISC","name":"https://blog.inhq.net/posts/yubico-libu2f-host-vuln-part2/","url":"https://blog.inhq.net/posts/yubico-libu2f-host-vuln-part2/"},{"refsource":"GENTOO","name":"GLSA-202004-15","url":"https://security.gentoo.org/glsa/202004-15"}]}},"nvd":{"publishedDate":"2019-03-05 23:29:00","lastModifiedDate":"2023-11-07 03:13:00","problem_types":["CWE-908"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL","baseScore":5},"severity":"MEDIUM","exploitabilityScore":10,"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:yubico:libu2f-host:*:*:*:*:*:*:*:*","versionEndExcluding":"1.1.8","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2019","CveId":"9578","Ordinal":"147444","Title":"CVE-2019-9578","CVE":"CVE-2019-9578","Year":"2019"},"notes":[{"CveYear":"2019","CveId":"9578","Ordinal":"1","NoteData":"In devs.c in Yubico libu2f-host before 1.1.8, the response to init is misparsed, leaking uninitialized stack memory back to the device.","Type":"Description","Title":null},{"CveYear":"2019","CveId":"9578","Ordinal":"2","NoteData":"2019-03-05","Type":"Other","Title":"Published"},{"CveYear":"2019","CveId":"9578","Ordinal":"3","NoteData":"2020-04-30","Type":"Other","Title":"Modified"}]}}}