Memory Allocation with Excessive Size Value Affecting js-beautify package, versions >=0.0.0


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.52% (43rd percentile)

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  • Snyk IDSNYK-JS-JSBEAUTIFY-20883334
  • published13 Oct 2026
  • disclosed13 Oct 2026
  • creditMohammedix88

Introduced: 13 Oct 2026

NewCVE-2026-109149  (opens in a new tab)
CWE-789  (opens in a new tab)

How to fix?

There is no fixed version for js-beautify.

Overview

js-beautify is a reformat and re-indent bookmarklets, ugly JavaScript, unpack scripts packed by Dean Edward’s popular packer, as well as partly deobfuscate scripts processed by the npm package "javascript-obfuscator".

Affected versions of this package are vulnerable to Memory Allocation with Excessive Size Value via an unknown function, allowing a remote attacker to trigger uncontrolled memory allocation by sending a manipulated input, resulting in resource exhaustion.

CVSS Base Scores

version 4.0
version 3.1