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    CVE-2026-2661

    A security flaw has been discovered in Squirrel up to 3.2. This affects the function SQObjectPtr::operator in the library squirrel/sqobject.h. The manipulation results in heap-based buffer overflow. The attack needs to be approached locally. 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:Feb 18, 2026
    Last Modified:Apr 17, 2026
    EPS:Feb 18, 2026
    EPSS Score:0.00009
    CVSS Score:3.3

    Affected Products

    Vendor
    Albertodemichelis
    Product
    Squirrel
    Vendor
    Squirrel-lang
    Product
    Squirrel

    Exploits

    https://github.com/albertodemichelis/squirrel/issues/310https://github.com/oneafter/0122/blob/main/i310/repro

    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