Advisories

nodemailer before 6.9.9 ReDoS via attachDataUrls parameter

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severity
medium
date
Affecting
  • nodemailer >= 0, < 6.9.9

CWE
  • CWE-1333 Inefficient Regular Expression Complexity
CVSS
6.9
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Credit
francoatmega
Description
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.

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