plugins/mod_compression.lua in (1) Prosody before 0.9.4 and (2) Lightwitch Metronome…
Priority MEDIUM 40CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
plugins/mod_compression.lua in (1) Prosody before 0.9.4 and (2) Lightwitch Metronome through 3.4 negotiates stream compression while a session is unauthenticated, which allows remote attackers to cause a denial of service (resource consumption) via compressed XML elements in an XMPP stream, aka an "xmppbomb" attack.
Why it matters now
EPSS 0.03313 88th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 21
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:lightwitch:metronome:*:*:*:*:*:*:*:* | up to 3.4 | Vulnerable | Lightwitch |
| cpe:2.3:a:prosody:prosody:*:*:*:*:*:*:*:* | up to 0.9.3 | Vulnerable | Prosody |
| cpe:2.3:a:prosody:prosody:0.1.0:*:*:*:*:*:*:* | 0.1.0 | Vulnerable | Prosody |
| cpe:2.3:a:prosody:prosody:0.2.0:*:*:*:*:*:*:* | 0.2.0 | Vulnerable | Prosody |
| cpe:2.3:a:prosody:prosody:0.3.0:*:*:*:*:*:*:* | 0.3.0 | Vulnerable | Prosody |
| cpe:2.3:a:prosody:prosody:0.4.0:*:*:*:*:*:*:* | 0.4.0 | Vulnerable | Prosody |
| cpe:2.3:a:prosody:prosody:0.4.1:*:*:*:*:*:*:* | 0.4.1 | Vulnerable | Prosody |
| cpe:2.3:a:prosody:prosody:0.4.2:*:*:*:*:*:*:* | 0.4.2 | Vulnerable | Prosody |
| cpe:2.3:a:prosody:prosody:0.5.0:*:*:*:*:*:*:* | 0.5.0 | Vulnerable | Prosody |
| cpe:2.3:a:prosody:prosody:0.5.1:*:*:*:*:*:*:* | 0.5.1 | Vulnerable | Prosody |
- cpe:2.3:a:lightwitch:metronome:*:*:*:*:*:*:*:* Versions up to 3.4 Vulnerable ·Lightwitch
- cpe:2.3:a:prosody:prosody:*:*:*:*:*:*:*:* Versions up to 0.9.3 Vulnerable ·Prosody
- cpe:2.3:a:prosody:prosody:0.1.0:*:*:*:*:*:*:* Versions 0.1.0 Vulnerable ·Prosody
- cpe:2.3:a:prosody:prosody:0.2.0:*:*:*:*:*:*:* Versions 0.2.0 Vulnerable ·Prosody
- cpe:2.3:a:prosody:prosody:0.3.0:*:*:*:*:*:*:* Versions 0.3.0 Vulnerable ·Prosody
- cpe:2.3:a:prosody:prosody:0.4.0:*:*:*:*:*:*:* Versions 0.4.0 Vulnerable ·Prosody
- cpe:2.3:a:prosody:prosody:0.4.1:*:*:*:*:*:*:* Versions 0.4.1 Vulnerable ·Prosody
- cpe:2.3:a:prosody:prosody:0.4.2:*:*:*:*:*:*:* Versions 0.4.2 Vulnerable ·Prosody
- cpe:2.3:a:prosody:prosody:0.5.0:*:*:*:*:*:*:* Versions 0.5.0 Vulnerable ·Prosody
- cpe:2.3:a:prosody:prosody:0.5.1:*:*:*:*:*:*:* Versions 0.5.1 Vulnerable ·Prosody
Show 11 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:prosody:prosody:0.5.2:*:*:*:*:*:*:* | 0.5.2 | Vulnerable | Prosody |
| cpe:2.3:a:prosody:prosody:0.6.0:*:*:*:*:*:*:* | 0.6.0 | Vulnerable | Prosody |
| cpe:2.3:a:prosody:prosody:0.6.1:*:*:*:*:*:*:* | 0.6.1 | Vulnerable | Prosody |
| cpe:2.3:a:prosody:prosody:0.6.2:*:*:*:*:*:*:* | 0.6.2 | Vulnerable | Prosody |
| cpe:2.3:a:prosody:prosody:0.7.0:*:*:*:*:*:*:* | 0.7.0 | Vulnerable | Prosody |
| cpe:2.3:a:prosody:prosody:0.8.0:*:*:*:*:*:*:* | 0.8.0 | Vulnerable | Prosody |
| cpe:2.3:a:prosody:prosody:0.8.1:*:*:*:*:*:*:* | 0.8.1 | Vulnerable | Prosody |
| cpe:2.3:a:prosody:prosody:0.8.2:*:*:*:*:*:*:* | 0.8.2 | Vulnerable | Prosody |
| cpe:2.3:a:prosody:prosody:0.9.0:*:*:*:*:*:*:* | 0.9.0 | Vulnerable | Prosody |
| cpe:2.3:a:prosody:prosody:0.9.1:*:*:*:*:*:*:* | 0.9.1 | Vulnerable | Prosody |
| cpe:2.3:a:prosody:prosody:0.9.2:*:*:*:*:*:*:* | 0.9.2 | Vulnerable | Prosody |
- cpe:2.3:a:prosody:prosody:0.5.2:*:*:*:*:*:*:* Versions 0.5.2 Vulnerable ·Prosody
- cpe:2.3:a:prosody:prosody:0.6.0:*:*:*:*:*:*:* Versions 0.6.0 Vulnerable ·Prosody
- cpe:2.3:a:prosody:prosody:0.6.1:*:*:*:*:*:*:* Versions 0.6.1 Vulnerable ·Prosody
- cpe:2.3:a:prosody:prosody:0.6.2:*:*:*:*:*:*:* Versions 0.6.2 Vulnerable ·Prosody
- cpe:2.3:a:prosody:prosody:0.7.0:*:*:*:*:*:*:* Versions 0.7.0 Vulnerable ·Prosody
- cpe:2.3:a:prosody:prosody:0.8.0:*:*:*:*:*:*:* Versions 0.8.0 Vulnerable ·Prosody
- cpe:2.3:a:prosody:prosody:0.8.1:*:*:*:*:*:*:* Versions 0.8.1 Vulnerable ·Prosody
- cpe:2.3:a:prosody:prosody:0.8.2:*:*:*:*:*:*:* Versions 0.8.2 Vulnerable ·Prosody
- cpe:2.3:a:prosody:prosody:0.9.0:*:*:*:*:*:*:* Versions 0.9.0 Vulnerable ·Prosody
- cpe:2.3:a:prosody:prosody:0.9.1:*:*:*:*:*:*:* Versions 0.9.1 Vulnerable ·Prosody
- cpe:2.3:a:prosody:prosody:0.9.2:*:*:*:*:*:*:* Versions 0.9.2 Vulnerable ·Prosody
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2014-2744
- 2026-10-03 Alias added: GHSA-qx52-4j2j-9hc7
References
Exploit 2
Other 3
- http://xmpp.org/resources/security-notices/uncontrolled-resource-consumption-with-highly-compressed-xmpp-stanzas/
- [oss-security] 20140408 Re: (Openfire M-Link Metronome Prosody Tigase) Possible CVE Request: Uncontrolled Resource Consumption with XMPP-Layer Compression
- [oss-security] 20140407 Re: Possible CVE Request: Uncontrolled Resource Consumption with XMPP-Layer Compression
Sources
- CVE-2014-2744 · CVE Program
- CVE-2014-2744 · NVD
- FIRST EPSS
- GHSA-qx52-4j2j-9hc7 · GitHub Advisory Database · CC BY 4.0
- CVE-2014-2744 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences