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    CVE-2026-32288

    tar.Reader can allocate an unbounded amount of memory when reading a maliciously-crafted archive containing a large number of sparse regions encoded in the "old GNU sparse map" format.

    Published:Apr 8, 2026
    Last Modified:Apr 16, 2026
    EPS:Apr 8, 2026
    EPSS Score:0.00006
    CVSS Score:5.5

    Affected Products

    Vendor
    Go Standard Library
    Product
    Archive/tar
    Vendor
    Golang
    Product
    Go

    Exploits

    No exploit reference

    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