CVE-2024-58379: Nodemailer

Medium severity, CVSS 5.3. EPSS: 0.3% chance of exploitation in the next 30 days.

nodemailer before 6.9.9 contains a regular expression denial of service vulnerability in email parsing when attachDataUrls parameter is set or processing embedded file attachments. Attackers can send specially crafted emails with malicious data URLs or embedded attachments to cause the event loop to hang and deny service.

Affected products

• Nodemailer Nodemailer: before 6.9.9 (fixed in 6.9.9)

Published 2026-08-31. Last modified 2026-09-10.