CVE-2011-1756

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2011-1756
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2011-06-21 02:52:43 UTC
Updated2026-04-29 01:13:23 UTC
Descriptionmodules/xmpp/serv_xmpp.c in Citadel 7.86 and earlier 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.

Risk And Classification

Primary CVSS: v2.0 5 from [email protected]

AV:N/AC:L/Au:N/C:N/I:N/A:P

Problem Types: CWE-399 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

AV:N/AC:L/Au:N/C:N/I:N/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Citadel Citadel 7.11 All All All
Application Citadel Citadel 7.50 All All All
Application Citadel Citadel 7.60 All All All
Application Citadel Citadel 7.80 All All All
Application Citadel Citadel 7.81 All All All
Application Citadel Citadel 7.82 All All All
Application Citadel Citadel 7.84 All All All
Application Citadel Citadel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
404 Not Found af854a3a-2127-422b-91ae-364da2661108 security.debian.org Patch
Debian -- Security Information -- DSA-2250-1 citadel af854a3a-2127-422b-91ae-364da2661108 www.debian.org
404 Not Found af854a3a-2127-422b-91ae-364da2661108 code.citadel.org Patch
packages.debian.org/changelogs/pool/main/c/citadel/citadel_7.37-8+lenny1/changelog af854a3a-2127-422b-91ae-364da2661108 packages.debian.org
404 Not Found af854a3a-2127-422b-91ae-364da2661108 packages.debian.org
Debian update for citadel - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
404 Not Found af854a3a-2127-422b-91ae-364da2661108 code.citadel.org Patch
Citadel XML Parsing Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

© CVE.report 2026

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report