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TI-2011-01927 Aliases CVE-2011-2205GHSA-92pm-rc7q-ch3w

Prosody before 0.8.1 does not properly detect recursion during entity expansion, which…

Priority LOW 27CWE-399Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Partial
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-399 and the CVSS impact.

Summary

Prosody before 0.8.1 does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, a similar issue to CVE-2003-1564.

Why it matters now

EPSS 0.02069 81st 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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 16

CPEVersionsRoleVendor
cpe:2.3:a:prosody:prosody:*:*:*:*:*:*:*:*up to 0.8.0VulnerableProsody
cpe:2.3:a:prosody:prosody:0.1.0:*:*:*:*:*:*:*0.1.0VulnerableProsody
cpe:2.3:a:prosody:prosody:0.2.0:*:*:*:*:*:*:*0.2.0VulnerableProsody
cpe:2.3:a:prosody:prosody:0.3.0:*:*:*:*:*:*:*0.3.0VulnerableProsody
cpe:2.3:a:prosody:prosody:0.4.0:*:*:*:*:*:*:*0.4.0VulnerableProsody
cpe:2.3:a:prosody:prosody:0.4.1:*:*:*:*:*:*:*0.4.1VulnerableProsody
cpe:2.3:a:prosody:prosody:0.4.2:*:*:*:*:*:*:*0.4.2VulnerableProsody
cpe:2.3:a:prosody:prosody:0.5.0:*:*:*:*:*:*:*0.5.0VulnerableProsody
cpe:2.3:a:prosody:prosody:0.5.1:*:*:*:*:*:*:*0.5.1VulnerableProsody
cpe:2.3:a:prosody:prosody:0.5.2:*:*:*:*:*:*:*0.5.2VulnerableProsody
  • cpe:2.3:a:prosody:prosody:*:*:*:*:*:*:*:* Versions up to 0.8.0 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 6 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:prosody:prosody:0.6:*:*:*:*:*:*:*0.6VulnerableProsody
cpe:2.3:a:prosody:prosody:0.6.0:*:*:*:*:*:*:*0.6.0VulnerableProsody
cpe:2.3:a:prosody:prosody:0.6.1:*:*:*:*:*:*:*0.6.1VulnerableProsody
cpe:2.3:a:prosody:prosody:0.7:*:*:*:*:*:*:*0.7VulnerableProsody
cpe:2.3:a:prosody:prosody:0.7.0:*:*:*:*:*:*:*0.7.0VulnerableProsody
cpe:2.3:a:prosody:prosody:0.8:*:*:*:*:*:*:*0.8VulnerableProsody
  • cpe:2.3:a:prosody:prosody:0.6:*:*:*:*:*:*:* Versions 0.6 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:0.7:*:*:*:*:*:*:* Versions 0.7 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:*:*:*:*:*:*:* Versions 0.8 Vulnerable ·Prosody

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2011-2205
  2. 2026-10-03 Alias added: GHSA-92pm-rc7q-ch3w

References

Patch 4

Other 2

  • 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-2014-02196 Prosody before 0.9.4 does not properly restrict the processing of compressed XML… CVSS 2.0HIGH 7.8
  • 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
See all 20 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences