{"id":"DEBIAN-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":"2026-09-14T06:47:30.597289137Z","published":"2011-06-21T02:52:42.763Z","upstream":["CVE-2011-1753"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2011-1753"}],"affected":[{"package":{"name":"ejabberd","ecosystem":"Debian:12","purl":"pkg:deb/debian/ejabberd?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.6-2.1"}]}],"ecosystem_specific":{"urgency":"medium"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-1753.json"}},{"package":{"name":"ejabberd","ecosystem":"Debian:13","purl":"pkg:deb/debian/ejabberd?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.6-2.1"}]}],"ecosystem_specific":{"urgency":"medium"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-1753.json"}},{"package":{"name":"ejabberd","ecosystem":"Debian:14","purl":"pkg:deb/debian/ejabberd?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.6-2.1"}]}],"ecosystem_specific":{"urgency":"medium"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-1753.json"}}],"schema_version":"1.9.0"}