CVE-2011-2188: Matthewwild Luaexpat

Medium severity, CVSS 5.0. EPSS: 1.7% chance of exploitation in the next 30 days.

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: up to and including 1.1.0; version 1.0 only; version 1.0.1 only; version 1.0.2 only

Published 2011-06-21. Last modified 2026-06-16.