{"url":"http://public2.vulnerablecode.io/api/packages/461282?format=json","purl":"pkg:npm/nodemailer@4.6.3","type":"npm","namespace":"","name":"nodemailer","version":"4.6.3","qualifiers":{},"subpath":"","is_vulnerable":true,"next_non_vulnerable_version":"6.9.9","latest_non_vulnerable_version":"8.0.5","affected_by_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/42815?format=json","vulnerability_id":"VCID-6apw-x17b-2uh6","summary":"Header injection in nodemailer\nThe package nodemailer before 6.6.1 are vulnerable to HTTP Header Injection if unsanitized user input that may contain newlines and carriage returns is passed into an address object.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2021-23400","reference_id":"","reference_type":"","scores":[{"value":"0.00536","scoring_system":"epss","scoring_elements":"0.67756","published_at":"2026-05-29T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2021-23400"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23400","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23400"},{"reference_url":"https://github.com/nodemailer/nodemailer/commit/7e02648cc8cd863f5085bad3cd09087bccf84b9f","reference_id":"","reference_type":"","scores":[{"value":"6.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/nodemailer/nodemailer/commit/7e02648cc8cd863f5085bad3cd09087bccf84b9f"},{"reference_url":"https://github.com/nodemailer/nodemailer/issues/1289","reference_id":"","reference_type":"","scores":[{"value":"6.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/nodemailer/nodemailer/issues/1289"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-23400","reference_id":"","reference_type":"","scores":[{"value":"6.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-23400"},{"reference_url":"https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1314737","reference_id":"","reference_type":"","scores":[{"value":"6.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1314737"},{"reference_url":"https://snyk.io/vuln/SNYK-JS-NODEMAILER-1296415","reference_id":"","reference_type":"","scores":[{"value":"6.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://snyk.io/vuln/SNYK-JS-NODEMAILER-1296415"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=990485","reference_id":"990485","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=990485"},{"reference_url":"https://github.com/advisories/GHSA-hwqf-gcqm-7353","reference_id":"GHSA-hwqf-gcqm-7353","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-hwqf-gcqm-7353"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/77020?format=json","purl":"pkg:npm/nodemailer@6.6.1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-b2p5-4qsm-13bj"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:npm/nodemailer@6.6.1"}],"aliases":["CVE-2021-23400","GHSA-hwqf-gcqm-7353"],"risk_score":null,"exploitability":null,"weighted_severity":null,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-6apw-x17b-2uh6"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/9431?format=json","vulnerability_id":"VCID-b2p5-4qsm-13bj","summary":"nodemailer ReDoS when trying to send a specially crafted email\n### Summary\nA ReDoS vulnerability occurs when nodemailer tries to parse img files with the parameter `attachDataUrls` set, causing the stuck of event loop. \nAnother flaw was found when nodemailer tries to parse an attachments with a embedded file, causing the stuck of event loop. \n\n### Details\n\nRegex: /^data:((?:[^;]*;)*(?:[^,]*)),(.*)$/\n\nPath: compile -> getAttachments -> _processDataUrl\n\nRegex: /(<img\\b[^>]* src\\s*=[\\s\"']*)(data:([^;]+);[^\"'>\\s]+)/\n\nPath: _convertDataImages\n\n### PoC\n\nhttps://gist.github.com/francoatmega/890dd5053375333e40c6fdbcc8c58df6\nhttps://gist.github.com/francoatmega/9aab042b0b24968d7b7039818e8b2698\n\n```js\nasync function exploit() {\n   const MailComposer = require(\\\"nodemailer/lib/mail-composer\\\");\n   const MailComposerObject = new MailComposer();\n\n   // Create a malicious data URL that will cause excessive backtracking\n   // This data URL is crafted to have a long sequence of characters that will cause the regex to backtrack\n   const maliciousDataUrl = 'data:image/png;base64,' + 'A;B;C;D;E;F;G;H;I;J;K;L;M;N;O;P;Q;R;S;T;U;V;W;X;Y;Z;'.repeat(1000) + '==';\n\n   // Call the vulnerable method with the crafted input\n   const result = await MailComposerObject._processDataUrl({ path: maliciousDataUrl });\n}\n\nawait exploit();\n```\n\n### Impact\n\nReDoS causes the event loop to stuck a specially crafted evil email can cause this problem.","references":[{"reference_url":"https://gist.github.com/francoatmega/890dd5053375333e40c6fdbcc8c58df6","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://gist.github.com/francoatmega/890dd5053375333e40c6fdbcc8c58df6"},{"reference_url":"https://gist.github.com/francoatmega/9aab042b0b24968d7b7039818e8b2698","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://gist.github.com/francoatmega/9aab042b0b24968d7b7039818e8b2698"},{"reference_url":"https://github.com/nodemailer/nodemailer","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/nodemailer/nodemailer"},{"reference_url":"https://github.com/nodemailer/nodemailer/commit/dd8f5e8a4ddc99992e31df76bcff9c590035cd4a","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/nodemailer/nodemailer/commit/dd8f5e8a4ddc99992e31df76bcff9c590035cd4a"},{"reference_url":"https://github.com/nodemailer/nodemailer/security/advisories/GHSA-9h6g-pr28-7cqp","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/nodemailer/nodemailer/security/advisories/GHSA-9h6g-pr28-7cqp"},{"reference_url":"https://github.com/advisories/GHSA-9h6g-pr28-7cqp","reference_id":"GHSA-9h6g-pr28-7cqp","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-9h6g-pr28-7cqp"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/23636?format=json","purl":"pkg:npm/nodemailer@6.9.9","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:npm/nodemailer@6.9.9"}],"aliases":["GHSA-9h6g-pr28-7cqp","GMS-2024-59"],"risk_score":null,"exploitability":null,"weighted_severity":null,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-b2p5-4qsm-13bj"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/46153?format=json","vulnerability_id":"VCID-uncc-m21z-eke8","summary":"Command injection in nodemailer\nThis affects the package nodemailer before 6.4.16. Use of crafted recipient email addresses may result in arbitrary command flag injection in sendmail transport for sending mails.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2020-7769","reference_id":"","reference_type":"","scores":[{"value":"0.00509","scoring_system":"epss","scoring_elements":"0.66656","published_at":"2026-05-29T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2020-7769"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-7769","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-7769"},{"reference_url":"https://github.com/nodemailer/nodemailer/blob/33b62e2ea6bc9215c99a9bb4bfba94e2fb27ebd0/lib/sendmail-transport/index.js%23L75","reference_id":"","reference_type":"","scores":[{"value":"9.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/nodemailer/nodemailer/blob/33b62e2ea6bc9215c99a9bb4bfba94e2fb27ebd0/lib/sendmail-transport/index.js%23L75"},{"reference_url":"https://github.com/nodemailer/nodemailer/blob/33b62e2ea6bc9215c99a9bb4bfba94e2fb27ebd0/lib/sendmail-transport/index.js#L75","reference_id":"","reference_type":"","scores":[{"value":"9.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/nodemailer/nodemailer/blob/33b62e2ea6bc9215c99a9bb4bfba94e2fb27ebd0/lib/sendmail-transport/index.js#L75"},{"reference_url":"https://github.com/nodemailer/nodemailer/commit/ba31c64c910d884579875c52d57ac45acc47aa54","reference_id":"","reference_type":"","scores":[{"value":"9.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/nodemailer/nodemailer/commit/ba31c64c910d884579875c52d57ac45acc47aa54"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2020-7769","reference_id":"","reference_type":"","scores":[{"value":"9.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-7769"},{"reference_url":"https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1039742","reference_id":"","reference_type":"","scores":[{"value":"9.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1039742"},{"reference_url":"https://snyk.io/vuln/SNYK-JS-NODEMAILER-1038834","reference_id":"","reference_type":"","scores":[{"value":"9.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://snyk.io/vuln/SNYK-JS-NODEMAILER-1038834"},{"reference_url":"https://www.npmjs.com/package/nodemailer","reference_id":"","reference_type":"","scores":[{"value":"9.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://www.npmjs.com/package/nodemailer"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/80251?format=json","purl":"pkg:npm/nodemailer@6.4.16","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-6apw-x17b-2uh6"},{"vulnerability":"VCID-b2p5-4qsm-13bj"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:npm/nodemailer@6.4.16"}],"aliases":["CVE-2020-7769","GHSA-48ww-j4fc-435p"],"risk_score":null,"exploitability":null,"weighted_severity":null,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-uncc-m21z-eke8"}],"fixing_vulnerabilities":[],"risk_score":null,"resource_url":"http://public2.vulnerablecode.io/packages/pkg:npm/nodemailer@4.6.3"}