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CVE-2026-41673— xmldom: Denial of service via uncontrolled recursion in XML serialization

Quick assessment

Affected
xmldom xmldom
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.

XMLDOM是jindw个人开发者的一个 W3C DOM for Node 的 JavaScript 实现。 XMLDOM 0.9.10之前版本、0.8.13之前版本和xmldom 0.6.0及之前版本存在安全漏洞，该漏洞源于lib/dom.js中七个递归遍历无深度限制，可能导致深度嵌套的DOM树导致栈溢出，造成应用程序崩溃。

AI Predicted 5.3 Difficulty: Easy EPSS 0.64% · P48

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking

Affected Version Matrix 3

VendorProduct Version RangeStatus
xmldom xmldom xmldom <= 0.6.0 affected
@xmldom/xmldom >= 0.9.0, < 0.9.10 affected
@xmldom/xmldom < 0.8.13 affected
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I. Basic Information for CVE-2026-41673

Vulnerability Information
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Vulnerability Title
xmldom: Denial of service via uncontrolled recursion in XML serialization
Source: CVE Program / CVE List V5
Vulnerability Description
xmldom is a pure JavaScript W3C standard-based (XML DOM Level 2 Core) `DOMParser` and `XMLSerializer` module. In @xmldom/xmldom prior to versions 0.9.10 and 0.8.13 and xmldom version 0.6.0 and prior, seven recursive traversals in lib/dom.js operate without a depth limit. A sufficiently deeply nested DOM tree causes a RangeError: Maximum call stack size exceeded, crashing the application. This issue has been patched in versions @xmldom/xmldom versions 0.9.10 and 0.8.13.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
未经控制的递归
Source: CVE Program / CVE List V5
Vulnerability Title
XMLDOM 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
XMLDOM是jindw个人开发者的一个 W3C DOM for Node 的 JavaScript 实现。 XMLDOM 0.9.10之前版本、0.8.13之前版本和xmldom 0.6.0及之前版本存在安全漏洞，该漏洞源于lib/dom.js中七个递归遍历无深度限制，可能导致深度嵌套的DOM树导致栈溢出，造成应用程序崩溃。
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
xmldom xmldom xmldom <= 0.6.0 -

II. Public POCs for CVE-2026-41673

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III. Intelligence Information for CVE-2026-41673

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Patches & Fixes for CVE-2026-41673 (6)

Vendor Advisories for CVE-2026-41673 (1)

Vendor Pages for CVE-2026-41673 (1)

Other References for CVE-2026-41673 (1)

Same Patch Batch · xmldom · 2026-05-07 · 4 CVEs total

CVE-2026-41675 8.7 HIGH xmldom: XML node injection through unvalidated processing instruction serialization
CVE-2026-41672 8.7 HIGH xmldom: XML node injection through unvalidated comment serialization
CVE-2026-41674 8.7 HIGH xmldom: XML injection through unvalidated DocumentType serialization

IV. Related Vulnerabilities

Same product: xmldom
Same vendor: xmldom
Same weakness: CWE-674

V. Comments for CVE-2026-41673

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