Out-of-bounds Read Affecting bellard/quickjs package, versions [,2025.09.13)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.03% (9th percentile)

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  • Snyk IDSNYK-UNMANAGED-BELLARDQUICKJS-13611004
  • published17 Oct 2025
  • disclosed16 Oct 2025
  • creditUnknown

Introduced: 16 Oct 2025

NewCVE-2025-62492  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade bellard/quickjs to version 2025.09.13 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-bounds Read via the js_typed_array_indexOf() function when a negative floating-point fromIndex argument with extremely small magnitude is supplied. An attacker can access memory beyond the end of a typed array by providing a crafted argument, potentially exposing adjacent memory contents.

CVSS Base Scores

version 4.0
version 3.1