CVE-2022-3147

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    CVE-2022-3147

    Published: 9 Sept 2022Last Modified: 12 Aug 2026

    Summary: Server-side Denial of Service while processing a specifically crafted JPEG file

    Details: Mattermost version 7.0.x and earlier fails to sufficiently limit the in-memory sizes of concurrently uploaded JPEG images, which allows authenticated users to cause resource exhaustion on specific system configurations, resulting in server-side Denial of Service.

    References: https://hackerone.com/reports/1549513, https://mattermost.com/security-updates/, https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/3xxx/CVE-2022-3147.json, https://nvd.nist.gov/vuln/detail/CVE-2022-3147

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -25e8c1fcddb1154de49480eb5cd7eb085507d138

    Affected versions

    cloud-2022-06-29-1

    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
    CVE-2022-3147 | CVE-DB