CVE-2023-5969

    Dashboard / Vulnerabilities / CVE-2023-5969

    CVE-2023-5969

    Published: 6 Nov 2023Last Modified: 28 Oct 2026

    Summary: Denial of Service via Link Preview in /api/v4/redirect_location

    Details: Mattermost fails to properly sanitize the request to /api/v4/redirect_location allowing an attacker, sending a specially crafted request to /api/v4/redirect_location, to fill up the memory due to caching large items.

    References: https://mattermost.com/security-updates, https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/5xxx/CVE-2023-5969.json, https://nvd.nist.gov/vuln/detail/CVE-2023-5969

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    9.0.0

    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-2023-5969 | CVE-DB