CVE-2025-46688

PoC —

CVSS 3.1

8.4 high

EPSS

<1%p24

Published

Apr 27, 2025 (Apr 27, 2025)

Modified

Jun 17, 2026

Description

quickjs-ng through 0.9.0 has an incorrect size calculation in JS_ReadBigInt for a BigInt, leading to a heap-based buffer overflow. QuickJS before 2025-04-26 is also affected.

Vendors: quickjs-ng quickjs project
Products: quickjs
Weakness: CWE-131
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.3%)

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