{"api_version":"1","generated_at":"2026-05-13T08:50:35+00:00","cve":"CVE-2019-14809","urls":{"html":"https://cve.report/CVE-2019-14809","api":"https://cve.report/api/cve/CVE-2019-14809.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2019-14809","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-14809"},"summary":{"title":"CVE-2019-14809","description":"net/url in Go before 1.11.13 and 1.12.x before 1.12.8 mishandles malformed hosts in URLs, leading to an authorization bypass in some applications. This is related to a Host field with a suffix appearing in neither Hostname() nor Port(), and is related to a non-numeric port number. For example, an attacker can compose a crafted javascript:// URL that results in a hostname of google.com.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2019-08-13 21:15:00","updated_at":"2023-11-07 03:05:00"},"problem_types":["NVD-CWE-noinfo"],"metrics":[],"references":[{"url":"https://seclists.org/bugtraq/2019/Aug/31","name":"20190819 [SECURITY] [DSA 4503-1] golang-1.11 security update","refsource":"BUGTRAQ","tags":["Mailing List","Third Party Advisory"],"title":"Bugtraq: [SECURITY] [DSA 4503-1] golang-1.11 security update","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00002.html","name":"openSUSE-SU-2019:2056","refsource":"SUSE","tags":[],"title":"[security-announce] openSUSE-SU-2019:2056-1: moderate: Security update f","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LYO6E3H34C346D2E443GLXK7OK6KIYIQ/","name":"FEDORA-2019-55d101a740","refsource":"","tags":[],"title":"[SECURITY] Fedora 30 Update: golang-1.12.9-1.fc30 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://groups.google.com/forum/#%21topic/golang-announce/65QixT3tcmg","name":"https://groups.google.com/forum/#%21topic/golang-announce/65QixT3tcmg","refsource":"","tags":[],"title":"Google Groups","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00038.html","name":"openSUSE-SU-2019:2130","refsource":"SUSE","tags":[],"title":"[security-announce] openSUSE-SU-2019:2130-1: moderate: Security update f","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4BBP27PZGSY6OP6D26E5FW4GZKBFHNU7/","name":"FEDORA-2019-65db7ad6c7","refsource":"","tags":[],"title":"[SECURITY] Fedora 29 Update: golang-1.11.13-1.fc29 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00011.html","name":"openSUSE-SU-2019:2072","refsource":"SUSE","tags":[],"title":"[security-announce] openSUSE-SU-2019:2072-1: moderate: Security update f","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00076.html","name":"openSUSE-SU-2019:2000","refsource":"SUSE","tags":[],"title":"[security-announce] openSUSE-SU-2019:2000-1: important: Security update","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://groups.google.com/forum/#%21topic/golang-announce/0uuMm1BwpHE","name":"https://groups.google.com/forum/#%21topic/golang-announce/0uuMm1BwpHE","refsource":"","tags":[],"title":"Google Groups","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/errata/RHSA-2019:3433","name":"RHSA-2019:3433","refsource":"REDHAT","tags":[],"title":"Red Hat Customer Portal","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4BBP27PZGSY6OP6D26E5FW4GZKBFHNU7/","name":"FEDORA-2019-65db7ad6c7","refsource":"FEDORA","tags":[],"title":"[SECURITY] Fedora 29 Update: golang-1.11.13-1.fc29 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/golang/go/issues/29098","name":"https://github.com/golang/go/issues/29098","refsource":"CONFIRM","tags":["Exploit","Patch","Third Party Advisory"],"title":"net/url: URL.Parse Multiple Parsing Issues · Issue #29098 · golang/go · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00021.html","name":"openSUSE-SU-2019:2085","refsource":"SUSE","tags":[],"title":"[security-announce] openSUSE-SU-2019:2085-1: moderate: Security update f","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://groups.google.com/forum/#!topic/golang-announce/0uuMm1BwpHE","name":"https://groups.google.com/forum/#!topic/golang-announce/0uuMm1BwpHE","refsource":"MISC","tags":["Third Party Advisory"],"title":"Google Groups","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LYO6E3H34C346D2E443GLXK7OK6KIYIQ/","name":"FEDORA-2019-55d101a740","refsource":"FEDORA","tags":[],"title":"[SECURITY] Fedora 30 Update: golang-1.12.9-1.fc30 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.debian.org/security/2019/dsa-4503","name":"DSA-4503","refsource":"DEBIAN","tags":["Third Party Advisory"],"title":"Debian -- Security Information -- DSA-4503-1 golang-1.11","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://groups.google.com/forum/#!topic/golang-announce/65QixT3tcmg","name":"https://groups.google.com/forum/#!topic/golang-announce/65QixT3tcmg","refsource":"CONFIRM","tags":["Third Party Advisory"],"title":"Google Groups","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-14809","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-14809","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2019","cve_id":"14809","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"debian","cpe5":"debian_linux","cpe6":"10.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"14809","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"debian","cpe5":"debian_linux","cpe6":"10.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"14809","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"golang","cpe5":"go","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"14809","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"golang","cpe5":"go","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2019-14809","qid":"159678","title":"Oracle Enterprise Linux Security Update for go-toolset:ol8 (ELSA-2019-3433)"},{"cve":"CVE-2019-14809","qid":"296075","title":"Oracle Solaris 11.4 Support Repository Update (SRU) 21.69.0 Missing (CPUAPR2020)"},{"cve":"CVE-2019-14809","qid":"500973","title":"Alpine Linux Security Update for go"},{"cve":"CVE-2019-14809","qid":"504867","title":"Alpine Linux Security Update for go"},{"cve":"CVE-2019-14809","qid":"670284","title":"EulerOS Security Update for golang (EulerOS-SA-2021-1792)"},{"cve":"CVE-2019-14809","qid":"904963","title":"Common Base Linux Mariner (CBL-Mariner) Security Update for golang (12343)"},{"cve":"CVE-2019-14809","qid":"905058","title":"Common Base Linux Mariner (CBL-Mariner) Security Update for msft-golang (12569)"},{"cve":"CVE-2019-14809","qid":"905170","title":"Common Base Linux Mariner (CBL-Mariner) Security Update for golang (12490)"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2019-14809","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":"net/url in Go before 1.11.13 and 1.12.x before 1.12.8 mishandles malformed hosts in URLs, leading to an authorization bypass in some applications. This is related to a Host field with a suffix appearing in neither Hostname() nor Port(), and is related to a non-numeric port number. For example, an attacker can compose a crafted javascript:// URL that results in a hostname of google.com."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"url":"https://groups.google.com/forum/#!topic/golang-announce/0uuMm1BwpHE","refsource":"MISC","name":"https://groups.google.com/forum/#!topic/golang-announce/0uuMm1BwpHE"},{"refsource":"CONFIRM","name":"https://groups.google.com/forum/#!topic/golang-announce/65QixT3tcmg","url":"https://groups.google.com/forum/#!topic/golang-announce/65QixT3tcmg"},{"refsource":"CONFIRM","name":"https://github.com/golang/go/issues/29098","url":"https://github.com/golang/go/issues/29098"},{"refsource":"BUGTRAQ","name":"20190819 [SECURITY] [DSA 4503-1] golang-1.11 security update","url":"https://seclists.org/bugtraq/2019/Aug/31"},{"refsource":"DEBIAN","name":"DSA-4503","url":"https://www.debian.org/security/2019/dsa-4503"},{"refsource":"SUSE","name":"openSUSE-SU-2019:2000","url":"http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00076.html"},{"refsource":"SUSE","name":"openSUSE-SU-2019:2056","url":"http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00002.html"},{"refsource":"SUSE","name":"openSUSE-SU-2019:2072","url":"http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00011.html"},{"refsource":"FEDORA","name":"FEDORA-2019-55d101a740","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LYO6E3H34C346D2E443GLXK7OK6KIYIQ/"},{"refsource":"FEDORA","name":"FEDORA-2019-65db7ad6c7","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4BBP27PZGSY6OP6D26E5FW4GZKBFHNU7/"},{"refsource":"SUSE","name":"openSUSE-SU-2019:2085","url":"http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00021.html"},{"refsource":"SUSE","name":"openSUSE-SU-2019:2130","url":"http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00038.html"},{"refsource":"REDHAT","name":"RHSA-2019:3433","url":"https://access.redhat.com/errata/RHSA-2019:3433"}]}},"nvd":{"publishedDate":"2019-08-13 21:15:00","lastModifiedDate":"2023-11-07 03:05:00","problem_types":["NVD-CWE-noinfo"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL"},"exploitabilityScore":3.9,"impactScore":5.9},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:P","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL","baseScore":7.5},"severity":"HIGH","exploitabilityScore":10,"impactScore":6.4,"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:golang:go:*:*:*:*:*:*:*:*","versionEndExcluding":"1.11.13","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*","versionStartIncluding":"1.12.0","versionEndExcluding":"1.12.8","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2019","CveId":"14809","Ordinal":"154018","Title":"CVE-2019-14809","CVE":"CVE-2019-14809","Year":"2019"},"notes":[{"CveYear":"2019","CveId":"14809","Ordinal":"1","NoteData":"net/url in Go before 1.11.13 and 1.12.x before 1.12.8 mishandles malformed hosts in URLs, leading to an authorization bypass in some applications. This is related to a Host field with a suffix appearing in neither Hostname() nor Port(), and is related to a non-numeric port number. For example, an attacker can compose a crafted javascript:// URL that results in a hostname of google.com.","Type":"Description","Title":null},{"CveYear":"2019","CveId":"14809","Ordinal":"2","NoteData":"2019-08-13","Type":"Other","Title":"Published"},{"CveYear":"2019","CveId":"14809","Ordinal":"3","NoteData":"2019-11-05","Type":"Other","Title":"Modified"}]}}}