{"api_version":"1","generated_at":"2026-07-24T18:26:22+00:00","cve":"CVE-2018-0500","urls":{"html":"https://cve.report/CVE-2018-0500","api":"https://cve.report/api/cve/CVE-2018-0500.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2018-0500","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-0500"},"summary":{"title":"CVE-2018-0500","description":"Curl_smtp_escape_eob in lib/smtp.c in curl 7.54.1 to and including curl 7.60.0 has a heap-based buffer overflow that might be exploitable by an attacker who can control the data that curl transmits over SMTP with certain settings (i.e., use of a nonstandard --limit-rate argument or CURLOPT_BUFFERSIZE value).","state":"PUBLIC","assigner":"security@debian.org","published_at":"2018-07-11 13:29:00","updated_at":"2020-08-24 17:37:00"},"problem_types":["CWE-787"],"metrics":[],"references":[{"url":"https://usn.ubuntu.com/3710-1/","name":"USN-3710-1","refsource":"UBUNTU","tags":["Third Party Advisory"],"title":"USN-3710-1: curl vulnerability | Ubuntu security notices","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/curl/curl/commit/ba1dbd78e5f1ed67c1b8d37ac89d90e5e330b628","name":"https://github.com/curl/curl/commit/ba1dbd78e5f1ed67c1b8d37ac89d90e5e330b628","refsource":"CONFIRM","tags":["Patch","Third Party Advisory"],"title":"smtp: use the upload buffer size for scratch buffer malloc · curl/curl@ba1dbd7 · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.securitytracker.com/id/1041280","name":"1041280","refsource":"SECTRACK","tags":["Third Party Advisory","VDB Entry"],"title":"curl Buffer Overflow in Curl_smtp_escape_eob() Lets Remote Users Execute Arbitrary Code on the Target System - SecurityTracker","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/errata/RHSA-2018:2486","name":"RHSA-2018:2486","refsource":"REDHAT","tags":["Third Party Advisory"],"title":"Red Hat Customer Portal","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://security.gentoo.org/glsa/201807-04","name":"GLSA-201807-04","refsource":"GENTOO","tags":["Third Party Advisory"],"title":"cURL:Heap-based Buffer Overflow  (GLSA 201807-04) — Gentoo Security","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://curl.haxx.se/docs/adv_2018-70a2.html","name":"https://curl.haxx.se/docs/adv_2018-70a2.html","refsource":"CONFIRM","tags":["Exploit","Patch","Vendor Advisory"],"title":"curl - SMTP send heap buffer overflow - CVE-2018-0500","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-0500","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-0500","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2018","cve_id":"500","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"17.10","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"500","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"18.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"500","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"17.10","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"500","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"18.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"500","vulnerable":"1","versionEndIncluding":"7.60.0","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"haxx","cpe5":"curl","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2018-0500","qid":"500124","title":"Alpine Linux Security Update for curl"},{"cve":"CVE-2018-0500","qid":"503779","title":"Alpine Linux Security Update for curl"},{"cve":"CVE-2018-0500","qid":"710283","title":"Gentoo Linux cURL Heap-based buffer overflow Vulnerability (GLSA 201807-04)"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"security@debian.org","ID":"CVE-2018-0500","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"curl before 7.61.0","version":{"version_data":[{"version_value":"curl before 7.61.0"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Curl_smtp_escape_eob in lib/smtp.c in curl 7.54.1 to and including curl 7.60.0 has a heap-based buffer overflow that might be exploitable by an attacker who can control the data that curl transmits over SMTP with certain settings (i.e., use of a nonstandard --limit-rate argument or CURLOPT_BUFFERSIZE value)."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"heap-based buffer overflow"}]}]},"references":{"reference_data":[{"name":"1041280","refsource":"SECTRACK","url":"http://www.securitytracker.com/id/1041280"},{"name":"https://github.com/curl/curl/commit/ba1dbd78e5f1ed67c1b8d37ac89d90e5e330b628","refsource":"CONFIRM","url":"https://github.com/curl/curl/commit/ba1dbd78e5f1ed67c1b8d37ac89d90e5e330b628"},{"name":"https://curl.haxx.se/docs/adv_2018-70a2.html","refsource":"CONFIRM","url":"https://curl.haxx.se/docs/adv_2018-70a2.html"},{"name":"GLSA-201807-04","refsource":"GENTOO","url":"https://security.gentoo.org/glsa/201807-04"},{"name":"RHSA-2018:2486","refsource":"REDHAT","url":"https://access.redhat.com/errata/RHSA-2018:2486"},{"name":"USN-3710-1","refsource":"UBUNTU","url":"https://usn.ubuntu.com/3710-1/"}]}},"nvd":{"publishedDate":"2018-07-11 13:29:00","lastModifiedDate":"2020-08-24 17:37:00","problem_types":["CWE-787"],"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:haxx:curl:*:*:*:*:*:*:*:*","versionStartIncluding":"7.54.1","versionEndIncluding":"7.60.0","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2018","CveId":"500","Ordinal":"115335","Title":"CVE-2018-0500","CVE":"CVE-2018-0500","Year":"2018"},"notes":[{"CveYear":"2018","CveId":"500","Ordinal":"1","NoteData":"Curl_smtp_escape_eob in lib/smtp.c in curl 7.54.1 to and including curl 7.60.0 has a heap-based buffer overflow that might be exploitable by an attacker who can control the data that curl transmits over SMTP with certain settings (i.e., use of a nonstandard --limit-rate argument or CURLOPT_BUFFERSIZE value).","Type":"Description","Title":null},{"CveYear":"2018","CveId":"500","Ordinal":"2","NoteData":"2018-07-11","Type":"Other","Title":"Published"},{"CveYear":"2018","CveId":"500","Ordinal":"3","NoteData":"2018-10-21","Type":"Other","Title":"Modified"}]}}}