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    CVE-2025-4215

    A vulnerability was found in gorhill uBlock Origin up to 1.63.3b16. It has been classified as problematic. Affected is the function currentStateChanged of the file src/js/1p-filters.js of the component UI. The manipulation leads to inefficient regular expression complexity. It is possible to launch the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 1.63.3b17 is able to address this issue. The patch is identified as eaedaf5b10d2f7857c6b77fbf7d4a80681d4d46c. It is recommended to upgrade the affected component.

    Published:May 2, 2025
    Last Modified:Jun 17, 2025
    EPS:May 2, 2025
    EPSS Score:0.00231
    CVSS Score:3.1

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Ublockorigin
    Product
    Ublock Origin

    Exploits

    https://github.com/gorhill/uBlock/commit/eaedaf5b10d2f7857c6b77fbf7d4a80681d4d46chttps://github.com/gorhill/uBlock/commit/eaedaf5b10d2f7857c6b77fbf7d4a80681d4d46c

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    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