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    CVE-2026-32630

    file-type detects the file type of a file, stream, or data. From 20.0.0 to 21.3.1, a crafted ZIP file can trigger excessive memory growth during type detection in file-type when using fileTypeFromBuffer(), fileTypeFromBlob(), or fileTypeFromFile(). The ZIP inflate output limit is enforced for stream-based detection, but not for known-size inputs. As a result, a small compressed ZIP can cause file-type to inflate and process a much larger payload while probing ZIP-based formats such as OOXML. This vulnerability is fixed in 21.3.2.

    Published:Mar 13, 2026
    Last Modified:Mar 23, 2026
    EPS:Mar 13, 2026
    EPSS Score:0.00051
    CVSS Score:5.3

    Affected Products

    Vendor
    Sindresorhus
    Product
    File-type

    Exploits

    https://github.com/sindresorhus/file-type/security/advisories/GHSA-j47w-4g3g-c36vhttps://github.com/sindresorhus/file-type/security/advisories/GHSA-j47w-4g3g-c36v

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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