Allocation of Resources Without Limits or Throttling Affecting @xmldom/xmldom package, versions >=0.7.0 <0.8.15>=0.9.0-beta.1 <0.9.12


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.35% (28th percentile)

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  • Snyk IDSNYK-JS-XMLDOMXMLDOM-19499076
  • published2 Sept 2026
  • disclosed1 Sept 2026
  • creditChristian Bewernitz

Introduced: 1 Sep 2026

NewCVE-2026-83614  (opens in a new tab)
CWE-770  (opens in a new tab)

How to fix?

Upgrade @xmldom/xmldom to version 0.8.15, 0.9.12 or higher.

Overview

@xmldom/xmldom is a javascript ponyfill to provide the following APIs that are present in modern browsers to other runtimes. Since version 0.7.0 this package is published to npm as @xmldom/xmldom and no longer as xmldom

Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the parseElementStartPart function and normalization. An attacker can cause excessive resource consumption by providing specially crafted XML input that triggers repeated rescanning or merging of adjacent text nodes.

CVSS Base Scores

version 4.0
version 3.1