CVE-2025-46687

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.

CVSS v3 5.6 MEDIUM

5.6^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.4 / Impact : 3.7

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope CHANGED

References

Link	Resource
https://bellard.org/quickjs/Changelog	Release Notes
https://github.com/bellard/quickjs/commit/1eb05e44fad89daafa8ee3eb74b8520b4a37ec9a	Patch
https://github.com/bellard/quickjs/issues/399	Exploit Issue Tracking Vendor Advisory
https://github.com/quickjs-ng/quickjs/commit/28fa43d3ddff2c1ba91b6e3a788b2d7ba82d1465	Patch
https://github.com/quickjs-ng/quickjs/issues/1018	Exploit Issue Tracking Vendor Advisory
https://github.com/quickjs-ng/quickjs/pull/1020	Issue Tracking Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:bellard:quickjs::::::::
	cpe:2.3:a:quickjs-ng:quickjs::::::::

History

No history.

Information

Published : 2025-04-27 20:15

Updated : 2026-01-14 17:30

NVD link : CVE-2025-46687

Mitre link : CVE-2025-46687

CVE.ORG link : CVE-2025-46687

JSON object : View

Products Affected

bellard

quickjs

quickjs-ng

quickjs

CWE

CWE-770

Allocation of Resources Without Limits or Throttling

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