{"id":"CVE-2011-1753","details":"expat_erl.c in ejabberd before 2.1.7 and 3.x before 3.0.0-alpha-3, and exmpp before 0.9.7, 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a similar issue to CVE-2003-1564.","modified":"2026-01-27T04:10:46.257255Z","published":"2011-06-21T02:52:42Z","withdrawn":"2026-01-27T04:10:46.257255Z","references":[{"type":"ADVISORY","url":"http://secunia.com/advisories/44765"},{"type":"ADVISORY","url":"http://secunia.com/advisories/44807"},{"type":"ADVISORY","url":"http://secunia.com/advisories/45120"},{"type":"ADVISORY","url":"http://www.debian.org/security/2011/dsa-2248"},{"type":"FIX","url":"http://www.ejabberd.im/ejabberd-2.1.7"},{"type":"FIX","url":"https://git.process-one.net/ejabberd/mainline/commit/bd1df027c622e1f96f9eeaac612a6a956c1ff0b6"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=700454"},{"type":"WEB","url":"http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062099.html"},{"type":"WEB","url":"http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062145.html"},{"type":"WEB","url":"http://www.process-one.net/en/ejabberd/release_notes/release_note_ejabberd_2.1.7/"},{"type":"WEB","url":"http://www.securityfocus.com/bid/48072"},{"type":"WEB","url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/67769"}],"schema_version":"1.7.3"}