CVE catalog

CVE-2011-4320

ejabberd: CVE-2011-4320

[CVE catalog]

Severity
Medium
Published
Source
[NVD] · [CVE record]
EPSS
2.05% · Oct 25, 2026

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.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

DistributionPackageReleaseVersionStatus
Debianejabberdsid26.07-1fixed
Debianejabberdforky26.07-1fixed
Debianejabberdtrixie24.12-3+deb13u2fixed
Debianejabberdbookworm23.01-1fixed

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
Debianejabberdsourcesid2.1.9-1lowNot reportedNot reported
Debianejabberdsourceforky2.1.9-1lowNot reportedNot reported
Debianejabberdsourcetrixie2.1.9-1lowNot reportedNot reported
Debianejabberdsourcebookworm2.1.9-1lowNot reportedNot reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

  • [ejabberd]Fixed
    Details (4)

    • 23.01-1 · amd64 · bookworm

      Fixed · Fixed: 2.1.9-1

      dsa · ejabberd · debian · bookworm; dsa · ejabberd · debian · 12

    • 23.01-1 · arm64 · bookworm

      Fixed · Fixed: 2.1.9-1

      dsa · ejabberd · debian · bookworm; dsa · ejabberd · debian · 12

    • 24.12-3~bpo12+1 · amd64 · bookworm-backports

      Fixed · Fixed: 2.1.9-1

      dsa · ejabberd · debian · bookworm; dsa · ejabberd · debian · 12

    • 24.12-3~bpo12+1 · arm64 · bookworm-backports

      Fixed · Fixed: 2.1.9-1

      dsa · ejabberd · debian · bookworm; dsa · ejabberd · debian · 12

[Debian 13 (Trixie)]

  • [ejabberd]Fixed
    Details (2)

    • 24.12-3+deb13u2 · amd64 · trixie

      Fixed · Fixed: 2.1.9-1

      dsa · ejabberd · debian · 13

    • 24.12-3+deb13u2 · arm64 · trixie

      Fixed · Fixed: 2.1.9-1

      dsa · ejabberd · debian · 13

Observed:

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database]