quickjs-ng through 0.9.0 has a missing length check in JS_ReadString for a string, leading to a heap-based buffer overflow. QuickJS before 2025-04-26 is also affected.
Advisories
Source ID Title
EUVD EUVD EUVD-2025-12428 quickjs-ng through 0.9.0 has a missing length check in JS_ReadString for a string, leading to a heap-based buffer overflow. QuickJS before 2025-04-26 is also affected.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Wed, 14 Jan 2026 17:45:00 +0000

Type Values Removed Values Added
First Time appeared Bellard
Bellard quickjs
Quickjs-ng
Quickjs-ng quickjs
CPEs cpe:2.3:a:bellard:quickjs:*:*:*:*:*:*:*:*
cpe:2.3:a:quickjs-ng:quickjs:*:*:*:*:*:*:*:*
Vendors & Products Bellard
Bellard quickjs
Quickjs-ng
Quickjs-ng quickjs

Mon, 28 Apr 2025 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Sun, 27 Apr 2025 19:45:00 +0000

Type Values Removed Values Added
Description quickjs-ng through 0.9.0 has a missing length check in JS_ReadString for a string, leading to a heap-based buffer overflow. QuickJS before 2025-04-26 is also affected.
Weaknesses CWE-770
References
Metrics cvssV3_1

{'score': 5.6, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-04-28T16:19:35.018Z

Reserved: 2025-04-27T00:00:00.000Z

Link: CVE-2025-46687

cve-icon Vulnrichment

Updated: 2025-04-28T16:12:43.100Z

cve-icon NVD

Status : Analyzed

Published: 2025-04-27T20:15:15.720

Modified: 2026-01-14T17:30:17.067

Link: CVE-2025-46687

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-06-23T19:31:58Z

Weaknesses