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CVE-2024-58379— nodemailer before 6.9.9 ReDoS via attachDataUrls parameter

Quick assessment

Affected

nodemailer nodemailer

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Nodemailer 6.9.9 之前版本存在一个正则表达式拒绝服务（ReDoS）漏洞，影响邮件解析过程，具体发生在设置参数或处理内嵌文件附件时。攻击者可以发送经过特殊构造的邮件，其中包含恶意的数据 URL 或内嵌附件，从而导致事件循环挂起，造成服务不可用（拒绝服务）。

CVSS 5.3 · Medium Updated Aug 31, 2026

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

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Vulnerability Information

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Vulnerability Title

nodemailer before 6.9.9 ReDoS via attachDataUrls parameter

Source: CVE Program / CVE List V5

Vulnerability 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.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Source: CVE Program / CVE List V5

Vulnerability Type

CWE-1333

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
nodemailer	nodemailer	0 ~ 6.9.9	-

II. Public POCs for CVE-2024-58379

#	POC Description	Source Link	Shenlong Link

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III. Intelligence Information for CVE-2024-58379

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Other References for CVE-2024-58379 (2)

🔗 ReDoS when try to send a specially crafted email · Advisory · nodemailer/nodemailer · GitHub vendor-advisory
🔗 nodemailer before 6.9.9 ReDoS via attachDataUrls parameter | Advisories | VulnCheck third-party-advisory

https://www.cve.org/CVERecord?id=CVE-2024-58379

Same Patch Batch · nodemailer · 2026-08-31 · 7 CVEs total

CVE-2026-82854	9.8 CRITICAL	Nodemailer before 8.0.3 SMTP Command Injection via envelope.size
CVE-2026-82659	7.1 HIGH	nodemailer before 9.0.1 File Read and SSRF via raw option
CVE-2026-82662	6.5 MEDIUM	Nodemailer before 8.0.8 TLS Certificate Validation Bypass
CVE-2026-82660	5.4 MEDIUM	Nodemailer jsonTransport bypasses disableFileAccess and disableUrlAccess
CVE-2026-82661	5.4 MEDIUM	Nodemailer CRLF Injection via List-* Header Comments
CVE-2026-82853	4.9 MEDIUM	Nodemailer before 8.0.5 SMTP Command Injection via CRLF

IV. Related Vulnerabilities

Same product: nodemailer

Same vendor: nodemailer

Same weakness: CWE-1333

V. Comments for CVE-2024-58379

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CVE-2024-58379— nodemailer before 6.9.9 ReDoS via attachDataUrls parameter

Quick assessment

Possible ATT&CK Techniques 1 AI

I. Basic Information for CVE-2024-58379

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2024-58379

III. Intelligence Information for CVE-2024-58379

Other References for CVE-2024-58379 (2)

Same Patch Batch · nodemailer · 2026-08-31 · 7 CVEs total

IV. Related Vulnerabilities

V. Comments for CVE-2024-58379

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