CVE-2023-54390

    Dashboard / Vulnerabilities / CVE-2023-54390

    CVE-2023-54390

    Published: 9 Sept 2026Last Modified: 11 Sept 2026

    Summary: PocketMine-MP before 5.3.1 Denial of Service via LoginPacket

    Details: PocketMine-MP versions before 5.3.1 and 4.23.1 contain a denial of service vulnerability in LoginPacket JSON parsing due to improper null value handling in arrays. Attackers can send malformed JSON with unexpected null elements in LoginPacket to crash the server.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54390.json, https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-92jh-gwch-jq38, https://nvd.nist.gov/vuln/detail/CVE-2023-54390, https://www.vulncheck.com/advisories/pocketmine-mp-before-5.3.1-denial-of-service-via-loginpacket, https://github.com/pmmp/PocketMine-MP/commit/4f90e8dab1c9df331fad7d3d89823404e882668c

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -250d18e41bb6fc671cbd2e3d2daaee2e06770b0f

    Affected versions

    5.3.0

    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-2023-54390 | CVE-DB