GHSA-2h3q-v47h-f4rc

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    GHSA-2h3q-v47h-f4rc

    Published: 17 May 2022Last Modified: 10 Dec 2025
    Aliases:
    CVE-2011-4320

    Summary: Ejabberd DoS via malformed stanza

    Details: The `mod_pubsub` module (mod_pubsub.erl) in ejabberd 2.1.8 and 3.0.0-alpha-3 allows remote authenticated users to cause a denial of service (infinite loop) via a stanza with a publish tag that lacks a node attribute.

    References: https://nvd.nist.gov/vuln/detail/CVE-2011-4320, https://github.com/processone/ejabberd/commit/d3c4eab46f3cd54f7686cfed740d9c130b6801cf, https://github.com/processone/ejabberd/commit/d5b4d6785879f0a5192c26f5b5e218aec8104798, https://github.com/processone/ejabberd, https://support.process-one.net/browse/EJAB-1498, http://www.openwall.com/lists/oss-security/2011/11/19/1, http://www.openwall.com/lists/oss-security/2011/11/19/2, http://www.process-one.net/en/ejabberd/release_notes/release_note_ejabberd_2.1.9

    Affected packages

    Package

    Name: ejabberd

    Purl: pkg:hex/ejabberd

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -2.1.9

    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
    GHSA-2h3q-v47h-f4rc | CVE-DB