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    CVE-2026-9541

    A security flaw has been discovered in Squirrel up to 3.2. Impacted is the function ReadObject of the file squirrel/sqobject.cpp of the component Cnut File Handler. Performing a manipulation results in heap-based buffer overflow. The attack is only possible with local access. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

    Published:May 26, 2026
    Last Modified:May 27, 2026
    EPS:May 26, 2026
    EPSS Score:0.00013
    CVSS Score:5.3

    Affected Products

    Vendor
    Squirrel
    Product
    Squirrel
    Vendor
    Squirrel-lang
    Product
    Squirrel

    Exploits

    https://github.com/albertodemichelis/squirrel/issues/327https://github.com/biniamf/pocs/tree/main/squirrel-sqobject-readobject-neg-len-oobhttps://vuldb.com/submit/814826https://github.com/albertodemichelis/squirrel/issues/327

    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