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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是nodemailer组织开源的一个在Node.js应用中发送电子邮件的模块。 Nodemailer 6.9.9之前版本存在资源管理错误漏洞，该漏洞源于在电子邮件解析过程中设置attachDataUrls参数或处理嵌入的文件附件时存在正则表达式拒绝服务漏洞，可能导致攻击者发送特制电子邮件使事件循环挂起并拒绝服务。

CVSS 5.3 · Medium EPSS 0.30% · P22

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 2

VendorProduct Version RangeStatus
nodemailer nodemailer < 6.9.9 affected
6.9.9 unaffected
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I. Basic Information for CVE-2024-58379

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
Vulnerability Title
Nodemailer 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nodemailer是nodemailer组织开源的一个在Node.js应用中发送电子邮件的模块。 Nodemailer 6.9.9之前版本存在资源管理错误漏洞，该漏洞源于在电子邮件解析过程中设置attachDataUrls参数或处理嵌入的文件附件时存在正则表达式拒绝服务漏洞，可能导致攻击者发送特制电子邮件使事件循环挂起并拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

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

II. Public POCs for CVE-2024-58379

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III. Intelligence Information for CVE-2024-58379

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Other References for CVE-2024-58379 (2)

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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