Skip to content
fr Sign in
7.1 High

CVE-2026-110871 Nodemailer from 3.0.0 before 10.0.10 contains a denial of service vulnerability in MessageParser.parseHeaders that…

Description

Nodemailer from 3.0.0 before 10.0.10 contains a denial of service vulnerability in MessageParser.parseHeaders that allows users to exhaust CPU through quadratic header unfolding. Attackers can supply large recipient lists or long headers that fold into tens of thousands of continuation lines, blocking the Node.js event loop during DKIM signing.

Affected products and versions

Product Affected versions Fixed in
nodemailer 10.0 earliest → < 10.0.10 10.0.10
nodemailer 3.0 3.0.0 → < 10.0.10 10.0.10

References

Timeline

  1. Published
  2. Last modified

Other CVEs of nodemailer

The 25 CVEs of nodemailer →
CVE-2026-121426 Nodemailer from 3.0.0 before 10.1.4 contains an address parsing vulnerability in addressparser that ends an angle-addr… 8.3 High CVE-2026-121425 Nodemailer from 3.0.0 before 10.1.4 contains a parsing flaw in addressparser that ends an RFC 5322 group at a… 8.3 High CVE-2026-121424 Nodemailer from 3.0.0 before 10.1.4 contains an address parsing vulnerability in addressparser that allows remote… 8.3 High CVE-2026-110872 Nodemailer from 3.0.0 before 10.0.10 contains a quadratic complexity denial of service vulnerability in the SMTP… 8.2 High
Track this CVE