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.
History

Tue, 01 Sep 2026 12:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Moderate


Mon, 31 Aug 2026 11:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 31 Aug 2026 09:00:00 +0000

Type Values Removed Values Added
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.
Title nodemailer before 6.9.9 ReDoS via attachDataUrls parameter
First Time appeared Nodemailer
Nodemailer nodemailer
Weaknesses CWE-1333
CPEs cpe:2.3:a:nodemailer:nodemailer:*:*:*:*:*:*:*:*
Vendors & Products Nodemailer
Nodemailer nodemailer
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'}

cvssV4_0

{'score': 6.9, '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-08-31T08:46:24.228Z

Updated: 2026-08-31T11:02:23.257Z

Reserved: 2026-08-16T13:02:14.690Z

Link: CVE-2024-58379

cve-icon Vulnrichment

Updated: 2026-08-31T11:02:18.291Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-08-31T09:16:59.387

Modified: 2026-09-10T15:48:28.757

Link: CVE-2024-58379

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-08-31T08:46:24Z

Links: CVE-2024-58379 - Bugzilla