CVE-2024-58379

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.

Scoring

Severity
MEDIUM
CVSS base score
6.9
CVSS 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
EPSS probability
0.30%
CWE
CWE-1333
Published
2026-08-31
Last modified
2026-08-31

Affected products

Weakness type

Related vulnerabilities

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