HIGH 8.2 NVD
CVE-2026-110872
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 a
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.
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
This high severity vulnerability with a CVSS score of 8.2 was published on 2026-10-14 via NVD.
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