CVE-2025-46688
8.4
HIGH
CVSS 3.1
EPSS 0.09%
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.
How to fix CVE-2025-46688
To remediate CVE-2025-46688, upgrade the affected package to a fixed version below.
- Debian/quickjs—upgrade to 2025.04.26-1 or later
Is CVE-2025-46688 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2025.04.26-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.4 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |