🛡️ CVE-2011-4320 — ejabberd

⚪ Unknown ✅ No Known Exploit CWE-400 OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Ejabberd DoS via malformed stanza

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.

Weakness class

CVE-2011-4320 is classified as CWE-400: Uncontrolled Resource Consumption. A request can consume memory, CPU or storage without limit, exhausting capacity for everyone else.

Affected software

CVE-2011-4320 is recorded against 1 package.

  • ejabberd

Timeline and source

Published on 17 May 2022 and last revised on 10 December 2025. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

nvd.nist.gov (Advisory)
github.com (Web)
github.com (Web)
github.com (Package)
support.process-one.net (Web)
www.openwall.com (Web)
www.openwall.com (Web)
www.process-one.net (Web)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE CWE-400
Public Exploit ✅ No
Source OSV
Published 2022-05-17
Updated 2026-08-12
Modified 2025-12-10
Fix URL N/A

Affected Packages

Software From version Fixed in
ejabberd

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