CVE-2011-2188

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Summary

CVECVE-2011-2188
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2011-06-21 02:52:43 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionLuaExpat before 1.2.0 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 Matthewwild Luaexpat 1.0 All All All
Application Matthewwild Luaexpat 1.0.1 All All All
Application Matthewwild Luaexpat 1.0.2 All All All
Application Matthewwild Luaexpat All All All All

Vendor Declared Affected Products

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

References

ReferenceSourceLinkTags
Bug 711027 – CVE-2011-2188 lua-expat: Prone to XML "billion laughs attack" af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com
#629225 - Possible denial of service (AKA “billion laughs” attack) - Debian Bug report logs af854a3a-2127-422b-91ae-364da2661108 bugs.debian.org
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com
oss-security - Re: CVE Request -- LuaExpat -- Prone to XML "billion laughs attack" af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
LuaExpat XML Processing Denial of Service Vulnerability - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
LuaExpat SAX XML Parsing Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
oss-security - CVE Request -- LuaExpat -- Prone to XML "billion laughs attack" af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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