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    CVE-2026-0821

    A vulnerability was determined in quickjs-ng quickjs up to 0.11.0. This vulnerability affects the function js_typed_array_constructor of the file quickjs.c. Executing a manipulation can lead to heap-based buffer overflow. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. This patch is called c5d80831e51e48a83eab16ea867be87f091783c5. A patch should be applied to remediate this issue.

    Published:Jan 10, 2026
    Last Modified:Apr 18, 2026
    EPS:Jan 10, 2026
    EPSS Score:0.00134
    CVSS Score:7.3

    Affected Products

    Vendor
    Quickjs-ng
    Product
    Quickjs

    Exploits

    https://github.com/quickjs-ng/quickjs/issues/1296https://github.com/quickjs-ng/quickjs/issues/1296#issue-3780003395

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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