Prosody before 0.9.4 does not properly restrict the processing of compressed XML…
Priority MEDIUM 40CWE-264Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · None · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-264.
Summary
Prosody before 0.9.4 does not properly restrict the processing of compressed XML elements, which allows remote attackers to cause a denial of service (resource consumption) via a crafted XMPP stream, aka an "xmppbomb" attack, related to core/portmanager.lua and util/xmppstream.lua.
Why it matters now
EPSS 0.03141 87th percentileScored 2026-11-07
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 · 20
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| 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:prosody:prosody:0.5.2:*:*:*:*:*:*:* | 0.5.2 | Vulnerable | Prosody |
- 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
- cpe:2.3:a:prosody:prosody:0.5.2:*:*:*:*:*:*:* Versions 0.5.2 Vulnerable ·Prosody
Show 10 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| 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:0.6.0:*:*:*:*:*:*:* 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-2014-2745
- 2026-10-03 Alias added: GHSA-8jhg-7mm6-vg49
References
Advisory 1
Other 6
- http://xmpp.org/resources/security-notices/uncontrolled-resource-consumption-with-highly-compressed-xmpp-stanzas/
- http://hg.prosody.im/0.9/rev/a97591d2e1ad
- http://hg.prosody.im/0.9/rev/1107d66d2ab2
- http://blog.prosody.im/prosody-0-9-4-released/
- [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
More Prosody vulnerabilities
- TI-2022-00154 XML external entity injection in prosody CVSS 3.1HIGH 7.5
- TI-2018-07663 Improper authentication in [UNKNOWN] prosody CVSS 3.0HIGH 8.8
- TI-2014-02195 plugins/mod_compression.lua in (1) Prosody before 0.9.4 and (2) Lightwitch Metronome… CVSS 2.0HIGH 7.8
- TI-2026-31684 Resource allocation without limits in Prosody CVSS 3.1HIGH 7.5
- TI-2026-31683 Memory leak in Prosody CVSS 3.1HIGH 7.5
- TI-2021-15483 muc.lib.lua in Prosody 0.11.0 through 0.11.9 allows remote attackers to obtain sensitive… CVSS 3.1HIGH 7.5
Sources
- CVE-2014-2745 · CVE Program
- CVE-2014-2745 · NVD
- FIRST EPSS
- GHSA-8jhg-7mm6-vg49 · GitHub Advisory Database · CC BY 4.0
- CVE-2014-2745 · 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