CVE-2026-110871 | BDVDB-2026-389646 Detail

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.

Impact#

Weaknesses#

References#

Exploit#

History#

1. Version 12026-10-14Record published in the CVE List.
2. Version 22026-10-20Most recent update recorded in the CVE List.