CVE-2024-24988

    Dashboard / Vulnerabilities / CVE-2024-24988

    CVE-2024-24988

    Published: 29 Feb 2024Last Modified: 12 Aug 2026

    Summary: Excessive resource consumption when sending long emoji names in user custom status

    Details: Mattermost fails to properly validate the length of the emoji value in the custom user status, allowing an attacker to send multiple times a very long string as an emoji value causing high resource consumption and possibly crashing the server.

    References: https://mattermost.com/security-updates, https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/24xxx/CVE-2024-24988.json, https://nvd.nist.gov/vuln/detail/CVE-2024-24988

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -eb0621908b3d9ecef077b855b25111431097b0d0

    Affected versions

    v8.1.8-rc2
    v8.1.8-rc1
    v8.1.7-rc3
    v8.1.7
    v8.1.7-rc2
    v8.1.7-rc1
    v8.1.6-rc1
    v8.1.6
    v8.1.5-rc2
    v8.1.5
    v8.1.5-rc1
    v8.1.4-rc2
    v8.1.4
    v8.1.4-rc1
    v8.1.3-rc2
    v8.1.3
    v8.1.3-rc1
    v8.1.2-rc2
    v8.1.2
    v8.1.2-rc1
    v8.1.1-rc2
    v8.1.1
    v8.1.1-rc1
    v8.1.0-rc2
    v8.1.0

    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-2024-24988 | CVE-DB