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CVE-2025-46687

Date: April 26, 2025

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.

Severity Score

Related Resources (9)

https://github.com/bellard/quickjs/commit/1eb05e44fad89daafa8ee3eb74b8520b4a37ec9a
https://security-tracker.debian.org/tracker/CVE-2025-46687
https://nvd.nist.gov/vuln/detail/CVE-2025-46687
https://github.com/quickjs-ng/quickjs/pull/1020
https://github.com/bellard/quickjs/issues/399
https://github.com/quickjs-ng/quickjs/commit/28fa43d3ddff2c1ba91b6e3a788b2d7ba82d1465
https://bellard.org/quickjs/Changelog
https://github.com/quickjs-ng/quickjs/issues/1018
https://www.mend.io/vulnerability-database/CVE-2025-46687

Severity Score

Weakness Type (CWE)

Allocation of Resources Without Limits or Throttling

CWE-770

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): LOW

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