CVE-2025-46688CWE-131

quickjs-ng through 0.9.0 has an incorrect size calculation in JS_ReadBigInt for a BigInt, leading to a heap-based buffer overflow

Medium · published April 27, 2025

CVSS v3.1
5.6
EPSS
0%
Percentile
24.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.6 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00325 · 24.3th percentile
Weakness
CWE-131 · Incorrect Calculation of Buffer Size
Published
2025-04-27T00:00Z
EPSS history
Timeline
  • 27 APR 00:00Z
    quickjs-ng through 0.9.0 has an incorrect size calculation in JS_ReadBigInt for a BigInt, leading to a heap-based buffer overflow
    cvelistv5