{"schema":"threatline.record/2","record":{"id":"CVE-2026-110872","aliases":["GHSA-4g23-2xm8-66gc"],"summary":"Nodemailer 3.0.0 before 10.0.10 Denial of Service via SMTP Reply Parsing","details":"Nodemailer from 3.0.0 before 10.0.10 contains a quadratic complexity denial of service vulnerability in the SMTP client reply parser in SMTPConnection._onData and isPartialResponse. A malicious SMTP server or on-path attacker can stream continuation lines without a completion line before authentication, blocking the Node.js event loop and exhausting memory.","categories":["Unclassified"],"product":"nodemailer","vendor":"nodemailer","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-110872","source_modified_at":"2026-10-15T13:30:56.785Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"nodemailer","vendor":"nodemailer","versions":[{"version":"3.0.0","status":"affected","versionType":"semver","lessThan":"10.0.10"},{"version":"10.0.10","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-110872","source_modified_at":"2026-10-15T13:30:56.785Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"name":"nodemailer","ecosystem":null},"version":"10.0.10","basis":"first unaffected version stated in the CVE record"}],"cvss":8.2,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00291,"percentile":0.20575,"score_date":"2026-10-23"},"published_at":"2026-10-14T22:53:00.625Z","modified_at":"2026-10-15T13:30:56.785Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-110872","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-15T13:30:56.785Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-110872","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/nodemailer/nodemailer/security/advisories/GHSA-4g23-2xm8-66gc","tags":["exploit"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/nodemailer-3.0.0-before-10.0.10-denial-of-service-via-smtp-reply-parsing","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"poc","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-15T13:29:48.697322Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-15T13:30:56.785Z","content_hash":"9930fc2c98e0345bb6a0645d3610cdd4019a362a7d69079aba6ad17c1e7b9b35"}}