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    CVE-2025-46688

    quickjs-ng through 0.9.0 has an incorrect size calculation in JS_ReadBigInt for a BigInt, leading to a heap-based buffer overflow. QuickJS before 2025-04-26 is also affected.

    Published:Apr 27, 2025
    Last Modified:May 30, 2025
    EPS:Apr 27, 2025
    EPSS Score:0.0003
    CVSS Score:5.6

    Affected Products

    Vendor
    Quickjs-ng
    Product
    Quickjs
    Vendor
    Quickjs Project
    Product
    Quickjs

    Exploits

    https://github.com/bellard/quickjs/issues/399

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-100 Overflow Buffers
    CAPEC-47 Buffer Overflow via Parameter Expansion

    Related CVEs

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    CVE-2026-0822 (CVSS 2.1) — A vulnerability was identified in quickjs-ng quickjs up to 0.11.0. This issue affects the function js_typed_ar…
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    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