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    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.

    Published:Apr 27, 2025
    Last Modified:Jan 14, 2026
    EPS:Apr 27, 2025
    EPSS Score:0.00024
    CVSS Score:5.6

    Affected Products

    Vendor
    Bellard
    Product
    Quickjs
    Vendor
    Quickjs-ng
    Product
    Quickjs
    Vendor
    Quickjs Project
    Product
    Quickjs

    Exploits

    https://github.com/bellard/quickjs/issues/399https://github.com/quickjs-ng/quickjs/issues/1018

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High