CVE-2023-50784

    Dashboard / Vulnerabilities / CVE-2023-50784

    CVE-2023-50784

    Published: 16 Dec 2023Last Modified: 14 Mar 2026

    Summary:

    Details: A buffer overflow in websockets in UnrealIRCd 6.1.0 through 6.1.3 before 6.1.4 allows an unauthenticated remote attacker to crash the server by sending an oversized packet (if a websocket port is open). Remote code execution might be possible on some uncommon, older platforms.

    References: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EZT7QU4FCQBHYOYVD7FW5QAWNAQCSGLA/, https://www.unrealircd.org/index/news, https://lists.fedoraproject.org/archives/list/[email protected]/message/BV6TFYPQOKYRGPEAKOWSO6PSCBV6LUR3/, https://lists.fedoraproject.org/archives/list/[email protected]/message/EZT7QU4FCQBHYOYVD7FW5QAWNAQCSGLA/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BV6TFYPQOKYRGPEAKOWSO6PSCBV6LUR3/, https://forums.unrealircd.org/viewtopic.php?t=9340

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    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-2023-50784 | CVE-DB