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    CVE-2022-3257

    Mattermost version 7.1.x and earlier fails to sufficiently process a specifically crafted GIF file when it is uploaded while drafting a post, which allows authenticated users to cause resource exhaustion while processing the file, resulting in server-side Denial of Service.

    Published:Sep 23, 2022
    Last Modified:Dec 6, 2024
    EPS:Sep 23, 2022
    EPSS Score:0.0036
    CVSS Score:3.1

    Affected Products

    Vendor
    Mattermost
    Product
    Mattermost Server

    Exploits

    https://hackerone.com/reports/1620170https://hackerone.com/reports/1620170

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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