GHSA-37fc-hcrp-mmffHighCVSS 5.9

Nodemailer from 3.0.0 before 10.0.10 contains a quadratic complexity denial of service...

Published
October 15, 2026
Last Modified
October 15, 2026

🔗 CVE IDs covered (1)

📋 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.

🔗 References (4)