CVE-2026-110872

5.9 MEDIUMpublic exploit available

Published 2026-10-14 · Updated 2026-10-16

AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.

NVD description

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.

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CWE-400

Public exploit & PoC references

https://github.com/nodemailer/nodemailer/security/advisories/GHSA-4g23-2xm8-66gc
https://github.com/nodemailer/nodemailer/security/advisories/GHSA-4g23-2xm8-66gc

All references

https://github.com/nodemailer/nodemailer/security/advisories/GHSA-4g23-2xm8-66gc
https://www.vulncheck.com/advisories/nodemailer-3.0.0-before-10.0.10-denial-of-service-via-smtp-reply-parsing
https://github.com/nodemailer/nodemailer/security/advisories/GHSA-4g23-2xm8-66gc

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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