CVE-2011-2188

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2011-06-21 · updated 2026-06-16
Weakness: CWE-399

Description

LuaExpat 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.

Affected products

Matthewwild Luaexpat: through 1.1.0; 1.0, 1.0.1, 1.0.2

References

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=629225
http://secunia.com/advisories/44866
http://www.openwall.com/lists/oss-security/2011/06/06/19
http://www.openwall.com/lists/oss-security/2011/06/06/4
http://www.securityfocus.com/bid/48123
https://bugzilla.redhat.com/show_bug.cgi?id=711027
https://exchange.xforce.ibmcloud.com/vulnerabilities/67862
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=629225
http://secunia.com/advisories/44866
http://www.openwall.com/lists/oss-security/2011/06/06/19
http://www.openwall.com/lists/oss-security/2011/06/06/4
http://www.securityfocus.com/bid/48123

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