Nodemailer from 3.0.0 before 10.0.10 contains a denial of service vulnerability in MessageParser.parseHeaders that allows users to exhaust CPU…
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.
Read at NIST National Vulnerability Database (CVE API 2.0)
- Vendor
- Node.js
- Product
- Node.js
- CVSS
- 6.5
- Exposure class
- Developer platform
Why it ranks 8 (Routine)
- CVSS 6.5 medium
- Product class: developer platform
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.
Links
- NIST National Vulnerability Database (CVE API 2.0) (nvd.nist.gov)
- CVE-2026-110871 on this site · NVD · CVE.org · Vulnpedia
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