CVE-2025-46687 – QuickJS Heap Buffer Overflow

The following table lists the changes that have been made to the
CVE-2025-46687 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Apr. 27, 2025

    Action Type Old Value New Value
    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.
    Added CVSS V3.1 AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L
    Added CWE CWE-770
    Added Reference https://bellard.org/quickjs/Changelog
    Added Reference https://github.com/bellard/quickjs/commit/1eb05e44fad89daafa8ee3eb74b8520b4a37ec9a
    Added Reference https://github.com/bellard/quickjs/issues/399
    Added Reference https://github.com/quickjs-ng/quickjs/commit/28fa43d3ddff2c1ba91b6e3a788b2d7ba82d1465
    Added Reference https://github.com/quickjs-ng/quickjs/issues/1018
    Added Reference https://github.com/quickjs-ng/quickjs/pull/1020
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