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    CVE-2026-58045

    A flaw in Node.js allows a spoofed `TypedArray` `byteLength` to trigger a reachable assertion in the synchronous `node:zlib` APIs, causing the entire process to crash. All 11 synchronous zlib functions are affected. Repeated exploitation of this condition can result in a denial of service. This vulnerability affects Node.js **22.x**, **24.x**, and **26.x**.

    Published:Aug 4, 2026
    Last Modified:Aug 7, 2026
    EPS:Aug 4, 2026
    EPSS Score:0.00189
    CVSS Score:6.2

    Affected Products

    Vendor
    Nodejs
    Product
    Nodejs

    Exploits

    No exploit reference

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    Common Vulnerability Scoring System

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