CVE-2023-54396

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    CVE-2023-54396

    Published: 9 Sept 2026Last Modified: 11 Sept 2026

    Summary: PocketMine-MP before 4.8.1 Server Crash via Banner NBT

    Details: PocketMine-MP versions before 4.8.1 fail to validate dye color IDs in banner NBT data during deserialization. Attackers can provide invalid color values in inventory transactions or via commands to trigger undefined offset errors and crash the server.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54396.json, https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-wqqv-jcfr-9f5g, https://nvd.nist.gov/vuln/detail/CVE-2023-54396, https://www.vulncheck.com/advisories/pocketmine-mp-before-4.8.1-server-crash-via-banner-nbt, https://github.com/pmmp/PocketMine-MP/commit/08b9495bce2d65a6d1d3eeb76e484499a00765eb

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -0a92e91a3099a48a39f992f94071e36893e37931

    Affected versions

    4.8.0

    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-2023-54396 | CVE-DB