{"api_version":"1","generated_at":"2026-05-01T20:38:42+00:00","cve":"CVE-2019-9917","urls":{"html":"https://cve.report/CVE-2019-9917","api":"https://cve.report/api/cve/CVE-2019-9917.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2019-9917","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-9917"},"summary":{"title":"CVE-2019-9917","description":"ZNC before 1.7.3-rc1 allows an existing remote user to cause a Denial of Service (crash) via invalid encoding.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2019-03-27 06:29:00","updated_at":"2023-11-07 03:13:00"},"problem_types":["CWE-20"],"metrics":[],"references":[{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZRVSINQHM623GJYYNDSBYSXT2MHKFCYQ/","name":"FEDORA-2019-d5ad4a435c","refsource":"FEDORA","tags":["Issue Tracking","Release Notes","Third Party Advisory"],"title":"[SECURITY] Fedora 29 Update: znc-1.7.3-1.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/WRHCMHI44AW5CJ22WV676BKFUWWCLA7T/","name":"FEDORA-2019-64ed5e4dfa","refsource":"FEDORA","tags":["Issue Tracking","Release Notes","Third Party Advisory"],"title":"[SECURITY] Fedora 28 Update: znc-1.7.3-1.fc28 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00037.html","name":"openSUSE-SU-2019:1775","refsource":"SUSE","tags":[],"title":"[security-announce] openSUSE-SU-2019:1775-1: important: Security update","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7WTRBTPL7WWKQ7DZ2ALDTCGYUWSE6SL3/","name":"FEDORA-2019-8790e70a89","refsource":"","tags":[],"title":"[SECURITY] Fedora 30 Update: znc-1.7.3-1.fc30 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.debian.org/security/2019/dsa-4463","name":"DSA-4463","refsource":"DEBIAN","tags":[],"title":"Debian -- Security Information -- DSA-4463-1 znc","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://seclists.org/bugtraq/2019/Jun/23","name":"20190617 [SECURITY] [DSA 4463-1] znc security update","refsource":"BUGTRAQ","tags":[],"title":"Bugtraq: [SECURITY] [DSA 4463-1] znc security update","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7WTRBTPL7WWKQ7DZ2ALDTCGYUWSE6SL3/","name":"FEDORA-2019-8790e70a89","refsource":"FEDORA","tags":["Issue Tracking","Release Notes","Third Party Advisory"],"title":"[SECURITY] Fedora 30 Update: znc-1.7.3-1.fc30 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00018.html","name":"openSUSE-SU-2019:1859","refsource":"SUSE","tags":[],"title":"[security-announce] openSUSE-SU-2019:1859-1: important: Security update","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://usn.ubuntu.com/3950-1/","name":"USN-3950-1","refsource":"UBUNTU","tags":["Third Party Advisory"],"title":"USN-3950-1: ZNC vulnerability | Ubuntu security notices","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WRHCMHI44AW5CJ22WV676BKFUWWCLA7T/","name":"FEDORA-2019-64ed5e4dfa","refsource":"","tags":[],"title":"[SECURITY] Fedora 28 Update: znc-1.7.3-1.fc28 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/znc/znc/commit/64613bc8b6b4adf1e32231f9844d99cd512b8973","name":"https://github.com/znc/znc/commit/64613bc8b6b4adf1e32231f9844d99cd512b8973","refsource":"MISC","tags":["Patch","Third Party Advisory"],"title":"Don't crash if user specified invalid encoding. · znc/znc@64613bc · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZRVSINQHM623GJYYNDSBYSXT2MHKFCYQ/","name":"FEDORA-2019-d5ad4a435c","refsource":"","tags":[],"title":"[SECURITY] Fedora 29 Update: znc-1.7.3-1.fc29 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-9917","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-9917","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2019","cve_id":"9917","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"18.10","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"9917","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"18.10","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"9917","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"fedoraproject","cpe5":"fedora","cpe6":"28","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"9917","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"fedoraproject","cpe5":"fedora","cpe6":"29","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"9917","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"fedoraproject","cpe5":"fedora","cpe6":"30","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"9917","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"fedoraproject","cpe5":"fedora","cpe6":"28","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"9917","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"fedoraproject","cpe5":"fedora","cpe6":"29","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"9917","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"fedoraproject","cpe5":"fedora","cpe6":"30","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"9917","vulnerable":"1","versionEndIncluding":"1.7.2","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"znc","cpe5":"znc","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2019-9917","qid":"501337","title":"Alpine Linux Security Update for znc"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2019-9917","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":"ZNC before 1.7.3-rc1 allows an existing remote user to cause a Denial of Service (crash) via invalid encoding."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"refsource":"MISC","name":"https://github.com/znc/znc/commit/64613bc8b6b4adf1e32231f9844d99cd512b8973","url":"https://github.com/znc/znc/commit/64613bc8b6b4adf1e32231f9844d99cd512b8973"},{"refsource":"FEDORA","name":"FEDORA-2019-8790e70a89","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7WTRBTPL7WWKQ7DZ2ALDTCGYUWSE6SL3/"},{"refsource":"UBUNTU","name":"USN-3950-1","url":"https://usn.ubuntu.com/3950-1/"},{"refsource":"FEDORA","name":"FEDORA-2019-64ed5e4dfa","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WRHCMHI44AW5CJ22WV676BKFUWWCLA7T/"},{"refsource":"FEDORA","name":"FEDORA-2019-d5ad4a435c","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZRVSINQHM623GJYYNDSBYSXT2MHKFCYQ/"},{"refsource":"DEBIAN","name":"DSA-4463","url":"https://www.debian.org/security/2019/dsa-4463"},{"refsource":"BUGTRAQ","name":"20190617 [SECURITY] [DSA 4463-1] znc security update","url":"https://seclists.org/bugtraq/2019/Jun/23"},{"refsource":"SUSE","name":"openSUSE-SU-2019:1775","url":"http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00037.html"},{"refsource":"SUSE","name":"openSUSE-SU-2019:1859","url":"http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00018.html"}]}},"nvd":{"publishedDate":"2019-03-27 06:29:00","lastModifiedDate":"2023-11-07 03:13:00","problem_types":["CWE-20"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM"},"exploitabilityScore":2.8,"impactScore":3.6},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:N/I:N/A:P","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL","baseScore":4},"severity":"MEDIUM","exploitabilityScore":8,"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:znc:znc:*:*:*:*:*:*:*:*","versionEndIncluding":"1.7.2","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2019","CveId":"9917","Ordinal":"148130","Title":"CVE-2019-9917","CVE":"CVE-2019-9917","Year":"2019"},"notes":[{"CveYear":"2019","CveId":"9917","Ordinal":"1","NoteData":"ZNC before 1.7.3-rc1 allows an existing remote user to cause a Denial of Service (crash) via invalid encoding.","Type":"Description","Title":null},{"CveYear":"2019","CveId":"9917","Ordinal":"2","NoteData":"2019-03-27","Type":"Other","Title":"Published"},{"CveYear":"2019","CveId":"9917","Ordinal":"3","NoteData":"2019-08-14","Type":"Other","Title":"Modified"}]}}}