{"api_version":"1","generated_at":"2026-04-10T23:59:25+00:00","cve":"CVE-2017-15650","urls":{"html":"https://cve.report/CVE-2017-15650","api":"https://cve.report/api/cve/CVE-2017-15650.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2017-15650","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-15650"},"summary":{"title":"CVE-2017-15650","description":"musl libc before 1.1.17 has a buffer overflow via crafted DNS replies because dns_parse_callback in network/lookup_name.c does not restrict the number of addresses, and thus an attacker can provide an unexpected number by sending A records in a reply to an AAAA query.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2017-10-19 23:29:00","updated_at":"2017-11-08 16:21:00"},"problem_types":["CWE-119"],"metrics":[],"references":[{"url":"http://git.musl-libc.org/cgit/musl/tree/WHATSNEW","name":"http://git.musl-libc.org/cgit/musl/tree/WHATSNEW","refsource":"CONFIRM","tags":["Vendor Advisory"],"title":"musl - musl - an implementation of the standard library for Linux-based systems","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://git.musl-libc.org/cgit/musl/commit/?id=45ca5d3fcb6f874bf5ba55d0e9651cef68515395","name":"http://git.musl-libc.org/cgit/musl/commit/?id=45ca5d3fcb6f874bf5ba55d0e9651cef68515395","refsource":"CONFIRM","tags":["Vendor Advisory"],"title":"musl - musl - an implementation of the standard library for Linux-based systems","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"http://openwall.com/lists/oss-security/2017/10/19/5","name":"http://openwall.com/lists/oss-security/2017/10/19/5","refsource":"CONFIRM","tags":["Mailing List","Mitigation","Third Party Advisory"],"title":"oss-security - CVE request: musl libc 1.1.16 and earlier dns buffer overflow","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-15650","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-15650","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2017","cve_id":"15650","vulnerable":"1","versionEndIncluding":"1.1.6","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"musl-libc","cpe5":"musl","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2017-15650","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":"musl libc before 1.1.17 has a buffer overflow via crafted DNS replies because dns_parse_callback in network/lookup_name.c does not restrict the number of addresses, and thus an attacker can provide an unexpected number by sending A records in a reply to an AAAA query."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"http://git.musl-libc.org/cgit/musl/commit/?id=45ca5d3fcb6f874bf5ba55d0e9651cef68515395","refsource":"CONFIRM","url":"http://git.musl-libc.org/cgit/musl/commit/?id=45ca5d3fcb6f874bf5ba55d0e9651cef68515395"},{"name":"http://git.musl-libc.org/cgit/musl/tree/WHATSNEW","refsource":"CONFIRM","url":"http://git.musl-libc.org/cgit/musl/tree/WHATSNEW"},{"name":"http://openwall.com/lists/oss-security/2017/10/19/5","refsource":"CONFIRM","url":"http://openwall.com/lists/oss-security/2017/10/19/5"}]}},"nvd":{"publishedDate":"2017-10-19 23:29:00","lastModifiedDate":"2017-11-08 16:21:00","problem_types":["CWE-119"],"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,"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:musl-libc:musl:*:*:*:*:*:*:*:*","versionEndIncluding":"1.1.6","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2017","CveId":"15650","Ordinal":"113157","Title":"CVE-2017-15650","CVE":"CVE-2017-15650","Year":"2017"},"notes":[{"CveYear":"2017","CveId":"15650","Ordinal":"1","NoteData":"musl libc before 1.1.17 has a buffer overflow via crafted DNS replies because dns_parse_callback in network/lookup_name.c does not restrict the number of addresses, and thus an attacker can provide an unexpected number by sending A records in a reply to an AAAA query.","Type":"Description","Title":null},{"CveYear":"2017","CveId":"15650","Ordinal":"2","NoteData":"2017-10-19","Type":"Other","Title":"Published"},{"CveYear":"2017","CveId":"15650","Ordinal":"3","NoteData":"2017-10-19","Type":"Other","Title":"Modified"}]}}}